Herman's Slide Rule Catalogue at ISRM

SLIDE� RULE� CATALOGUE�� L I T E �

Full List :� � A � Z �

NAME	MATCH NR.	DESCRIPTION
aba Whitworth und Metrisches Gewinde	5395	Technical slide chart of metal, 257x50x0.5 mm Front Scales: See Picture, Back Scales: See Picture
Abbot Brown Isotope Handling Calculator 1	2903	Medical disc of plastic, 217x4.3 mm Front Scales: r/hr� 1)� 2)� =� 3)� Na� Co� Radium� Ta� Ir� Au� I
Acu Math 1211	3602	Generic slide rule, 165x28x3 mm Front Scales: K� A� =� B� CI� C� =� D� L, Back Scales: =� S� T� =
Acu Math 511 Mannheim Professional	3696	Generic slide rule of plastic glued on soft metal, 317x41.5x5.5 mm Front Scales: S� K� A� =� B� CI� C� =� D� L�� T
Acu Math 600	5007	Generic slide rule
Acu Math 900	0006	Generic slide rule of plastic, 315x42x4 mm Front Scales: K� A� =� B� T� ST� S� =� D� DI� L Back Scales: DF� =� CF� CIF� CI� C� =� D
Addimult	3897	Generic slide rule of plastic, 150x32.5x34 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S+T� T� =
Admiralty Research Laboratory Crown Copyright	3959	By Crown, log/tech slide rule of wood/celluloid
Aero Products E 6 B	3528	Aviation disc of metal, 85x165 mm
Agfa - Gevaert 21.5218 (672)	3479	By Gevaert, photography slide chart of plastic, 156x40x3 mm
Ahrend 649 Schola	0017	Generic slide rule of all wood, 275x30x6 mm Front Scales: A� =� B� C� =� D
Ahrend 652 Rietz	0018	Generic slide rule of wood/plastic, 280x37x11.2 mm Front Scales: 26cm� /� K� A� =� B� C� =� D� L� ]� 10inch Back Scales: = S� ST� T� =
Ahrend 654 Electro	0019	Electrical slide rule of wood/plastic, 280x35x11 mm Front Scales: 26cm� /� LL2� A� =� B� C� =� D� LL3� ]� 10inch�� #Dynamo� Motor h%� Volt#, Back Scales: =� S� L� T� =
Ahrend Index disc for Bouwnijverheid	3589	Financial disc of plastic, 136x2 mm
Airtour CRP 9 Computer	3090	Aviation disc of perspex, 135x2 mm Front Scales: 1)� 2)� 3)� =� 4)� 5)� 6)� 7)� and 4 windows Back Scales: 8)� =� 9)� and speed circles
AKU Chemical Resistance of Akulon	3427	Chemistry disc of plastic, 155x2 mm Front Scales: Many scales, Back Scales: Many scales
Albd Calcurregla (Mexico)	3951	Generic slide rule of all wood
Albert Heijn PPS Prijs per Standaard hoeveelheid	5310	Financial slide chart of cardboard, 90x1140x1 mm Front Scales: See Picture, Back Scales: See Picture
Alderman	2816	Generic slide rule of ivory/metal, 145x24x4 mm Front Scales: A� =� B� C� =� D
Allegheny Plastics E 11 Air Navigation	0025	Aviation disc of plastic, 108x3 mm Front Scales: 1)� 2)� =� 3)� 4)� =� 5)� 6) Back Scales: 7)� 8)� =� 9)� 10)� =� 11)� 12)� 13)� 14)
Allegheny Plastics FAA 160B Air Navigation Attack Computer	2760	Aviation disc of plastic, 228x4 mm� (1972) Front Scales: many Back Scales: 1)� 2)
Allegheny Plastics X1 Air Navigation Local Hour Angle	0024	Aviation disc of plastic, 204x4.8 mm Front Scales: Many scales
Aloz Whitworth draad, W-Gasdraad, Metrische draad Nuts and Bolts	5365	Technical slide chart of cardboard, 231x74x1.2 mm Front Scales: See Picture Back Scales: See Picture
Alro 04 - 2220 Radio Large PTT	0088	Log/tech disc of plastic, 118x3.2 mm� (1972) Front Scales: C� and L� N2� N� =� N� khz Back Scales: nulniveauspanning� C� =� Decibel
Alro 100 R	0061	Generic disc of metal, 125x135x115 mm Front Scales: N2� N� =� N� N2� R� N3� L
Alro 1010 Bureau model	3107	Financial disc of metal, 190x10 mm Front Scales: 1)� 2)� 3)
Alro 1010 Commercial	0085	Log/finan disc of metal, 125x135x12 mm Front Scales: Scale from 1.000-10.000
Alro 1010 Commercial System Hatex	0086	Log/finan disc of metal, 125x135x12 mm Front Scales: C� =� D� 1)
Alro 200 R	0066	Generic disc of metal, 125x135x11.5 mm Front Scales: S� T� S&T� N2� N� =� N� N2� R� N3
Alro 300 D	0077	Generic disc of metal, 125x135x12.4 mm Front Scales: L� C� COS� =� D� S� N2� N3� LL3� LL2� LL1
Alro 400 D	0079	Generic disc of metal, 125x135x11.5 mm Front Scales: S� T� R� N2� N� =� N� N2� N3� LL3� LL2� LL
Alro 600 E	0082	Electrical disc of metal, 125x135x11.5 mm Front Scales: n2� C� =� D� n2� LL� Dynamo-Motor� Volt� �� L
Alro 746 Radiotechniek	0083	Log/tech disc of metal
Alro Ami-Ro and Imi-Ro-meter	0029	Medical slide chart of plastic, 184x78x2.2 mm
Alro Ami-Ro-meter	0028	Medical slide chart of plastic, 184x78x2.2 mm
Alro Artillery ST 9 - 430/2 rule no. 1	0429	Military rule/cursor no slide of plastic, 314x61x2 mm Front Scales: 1), Back Scales: 2)
Alro Artillery ST 9 - 430/2 rule no. 1 for 2 and 3	0430	Military slide rule of plastic, 313x61x2 mm Front Scales: 1), Back Scales: 2)
Alro Beton	0031	Concrete disc of metal, 122x5 mm
Alro Bureau Model Spring load	3519	Log/tech disc of plastic/metal, 190x20 mm
Alro Carborundum	0033	Technical disc of plastic, 120x185 mm
Alro Cobol Analyser	0035	Technical disc of plastic, 190x3 mm Front Scales: Many scales, Back Scales: Many scales
Alro Commercial System Ha Tex	5731	Log/finan disc of metal, 125x135x12 mm Front Scales: C� =� D� Pound
Alro Computer Disc P 300 Series	0036	Other disc of plastic, 245x2.2 mm
Alro De Muiderkring	0050	Log/tech disc of plastic, 60x4 mm Front Scales: 1)� 2)� N2� N� =� N� 3)� 4) Back Scales: V1)� V2)� W1)� W2)� 5)
Alro De Muiderkring Large	5785	Generic disc of metal
Alro Den Haag	0043	Generic disc of plastic, 60x4 mm Front Scales: N2� N� =� N, Back Scales: N� N3 tg� sin
Alro disc	0058	Generic disc of metal, 125x135x12.4 mm Front Scales: C� =� D
Alro disc	0059	Generic disc of metal, 120 mm Front Scales: 1)� =� 2)
Alro ELA Philips ELA 68 / 43 / 4112	2774	Log/tech slide chart of cardboard/plastic, 283x83x1 mm
Alro Geluidsniveauverschil Van Gevels	0038	Technical disc of plastic, 134x159 mm� (1981)
Alro gti installatietechniek	0041	Technical slide chart of plastic, 74x150x1.5 mm
Alro Haaksbergen	0042	Generic disc of plastic, 60x4 mm Front Scales: N2� N� =� N, Back Scales: N� N3� TG� SIN
Alro Holland Ericsson	3406	Generic disc of plastic, 60x4 mm Front Scales: N2� N� =� N, Back Scales: N� N3 tg� sin
Alro Kipp Delft Holland	0046	Log/tech disc of metal, 98x5 mm Front Scales: C� =� D, Back Scales: 1)� =� 2)
Alro KLM Gasoline and Oil conversion factors	0047	Conversion disc of metal, 142x8 mm
Alro Laboratorium Voor Bloembollen onderzoek Lisse	0032	Other disc of plastic, 120x120x1 mm
Alro Lettergieterij	0048	Generic disc of plastic, 60x4 mm Front Scales: C� =� D, Back Scales: 1)� 2)� 3)� 4)
Alro Lettergieterij Amsterdam	3520	Generic disc of plastic, 60x4 mm
Alro logo CJD	0034	Generic disc of metal
Alro Medisch Geneesmiddelen Interactie.	0039	Medical disc of plastic, 140x1.8 mm
Alro Military disc	0049	Military disc of metal, 132x8.5 mm Front Scales: tg� sin-tg� sin� C1� 0/00� 1)� C� =� D� 2)� A
Alro Philips Audio Communications	0030	Log/tech slide chart of plastic, 184x78x2 mm
Alro Philips Calender disc	0045	Calender disc of metal, 120x4 mm� (1935) Front Scales: 1)� =� 2)
Alro Philips CJD	3080	Electrical disc of metal, 125x135x12 mm Front Scales: 1)� 2)� 3)� =� 4)� 5)� 6)� 7) Back Scales: In lid: 8)� 9)� 10)
Alro Philips ELA Audio Communications	0037	Log/tech slide chart of plastic, 184x78x2 mm
Alro Philips Telecommunication	0056	Log/tech disc of plastic, 60x4 mm Front Scales: 1)� 2)� N2� N� =� N� 3)� 4) Back Scales: 5)� 6)� =� 7)� 8)
Alro Prototype	0054	Generic slide rule of plastic, 294x36x6 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Alro Radio 04 - 2220 Small PTT	3411	Log/tech disc of plastic, 80x6 mm Front Scales: C� L� N2� N� =� N� n� l Back Scales: 1)� C� =� Decibel
Alro Shell	0055	Log/tech disc of plastic, 185x3 mm� (1962) Front Scales: 1)� =� 2)� 3)� 4)� 5)
Alro Spoorweglawaai 922130	0093	Technical disc of plastic, 134x159 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)
Alro Tires	0027	Technical disc of metal, 120x135x12 mm Front Scales: 1)� 2)� 3)� 4)� =� 5)� 6)� 7)� 8)� 9)
Alro type Go.A	0040	Generic disc of metal, 125x12 mm Front Scales: 1)� 2)� 3)� 4)� C� =� D� 5)� 6)� 7)� 8)
Alro Vaste en Beweegbare Bruggen	3425	Technical disc of bakelite/plastic, 135x6.5 mm Front Scales: Many scales, Back Scales: Many scales
Alro Vondelingenplaat	0057	Other disc of metal, 125x9 mm Front Scales: 1)� =� 2)� 3)
Alro WeR2 and 4	0063	Generic disc of metal, 125x135x12.4 mm Front Scales: A� C� =� D� B� Rec� N3� log
Alro WeR2 and 5	2697	Generic disc of metal, 120x130x12 mm Front Scales: N2� N� =� N2� Rec� N3� log
Also Drainagerekenschijf	3854	Technical disc of plastic, 119x1.2 mm� (1964) Front Scales: X� S� =� ks� L� I� d
American Airlines Inc. Philip Dalton	0094	Aviation disc of plastic, 107x4 mm� (1933, 1942) Front Scales: 1)� =� 2)� 3)� 4)� =� 5)� 6)� 7)� + 2 windows Back Scales: 8)� =� 9)
American Blueprint Military	0096	Military slide rule of wood/plastic, 287x43x12 mm Front Scales: 1)� 2)� =� 3)� 4)� CI� C� =� D� A Back Scales: =� TAN� SIN-TAN� SIN� C� =
American Hydromath Co. Calculaide Frequency Calc	5055	Log/tech disc
American Hydromath Co. Capacity Computer E C 2	5056	Log/tech disc
American Hydromath Co. Trim Computer E C 2	5057	Log/tech disc
American Slide Chart Co. Reed Hydraulic	3233	Log/tech slide chart of plastic, 255x103x1.5 mm Front Scales: 16 scales, Back Scales: 12 scales
American Slide Chart Corp. Casting Defect Slide Rule	5324	Technical slide chart of cardboard, 230x100x2 mm� (1988) Front Scales: See Picture, Back Scales: See Picture
American Slide Chart English - Metric Conversion Calculator	5341	Conversion slide chart of cardboard, 235x101x2.2 mm Front Scales: See Picture Back Scales: See Picture
American Slide Chart Heavy Wall Drill Pipe	5255	Technical slide chart of cardboard, 207x95x1.9 mm� (1989) Front Scales: See Picture, Back Scales: See Picture
American Slide Chart Moisture Content Calculator	5336	Log/tech slide chart of cardboard, 258x98x2 mm Front Scales: See Picture Back Scales: See Picture
American Slide Chart Retirement Savings Calculator	5291	Financial slide chart of cardboard, 95x220x1 mm� (1993) Front Scales: See Picture Back Scales: See Picture
American Slide Chart Tubing Application Guide	5339	Technical slide chart of cardboard, 197x229x2 mm� (1986) Front Scales: See Picture, Back Scales: See Picture
Amsterdam Infant Ventilator Total Flow Rate Computer	0098	Medical slide chart of plastic, 165x63x2.4 mm
Anaconda Comp. English / Metric Converter	5286	Conversion slide chart of cardboard, 213x79x2.1 mm Front Scales: See Picture, Back Scales: See Picture
AP 7 calculator	3421	Military cylinder of metal, 300x105x85 mm� (1969) Front Scales: �V0� �XK� �q� T3� �H� �T6� Wx� Wz� Zz� these scales 28 times on a turning cylinder Back Scales: Disc scales in lid see picture
Apolda Mono Rietz Instruction rule	3655	Generic slide rule of all wood, 1800x360x25 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� T1� T2
Arag Benzin Rechner	5313	Technical disc of cardboard, 108x150x1 mm Front Scales: See Picture, Back Scales: See Picture
Archimedes 11 DL Tecnolog	5642	Generic slide rule of plastic
Archimedes 13 C Universal	3925	Generic slide rule of plastic
Aristo (gwr)	3692	By Dennert, military slide rule of plastic, 380x42x7 mm Front Scales: Em� Ger�tekonstante� /� Ablage� =� Ablage (m)� Wahre (hm)� =� Ger�tekonstante� ]� 36cm
Aristo 0602	0163	Financial disc of plastic, 80x1.8 mm Front Scales: C� =� D� %
Aristo 0902 Junior Trig	0239	Generic slide rule of plastic, 330x44x4 mm� (1966) Front Scales: DF� =� CF� CIF� CI� C� =� D� A� K Back Scales: ST� T1� T2� =� CI� C� =� D� P� S
Aristo 0903 LL Scholar	0258	Generic slide rule of plastic, 330x43.6x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T Back Scales: 25cm� =� S� LL2� LL3� =� 8inch
Aristo 0905 Schul Commerz	0290	Generic slide rule of plastic, 330x44x4 mm� (1952) Front Scales: %� KZ� = �T2� P� T1� =� Z� M�� s./d. Back Scales: 25cm� =� =� 8inch
Aristo 0906 LL Bischolar LL	0298	Generic slide rule of plastic, 329x44x4 mm Front Scales: L� K� A� =� B� BI� S� C� =� D� LL3� LL2� LL1 Back Scales: ST� T1� T2� DF� = �CF� CIF� CI� C� =� D� P� S
Aristo 0907 Commerz Junior	0299	Generic slide rule of plastic, 330x43.8x4 mm Front Scales: A� DF� =� CF� CIF� CI� C� =� D� L� LL1� LL2
Aristo 0908 Trilog	0300	Generic slide rule of plastic, 330x44x4 mm� (1966) Front Scales: T1� T2� A� =� B� BI� CI� C� =� D� P� S� ST Back Scales: LL1� LL2� LL3� DF� =� CF� CIF� CI� C� =� D� L� K
Aristo 0929 MultiTrig	0329	Generic slide rule of plastic, 338x48x4.5 mm Front Scales: T1� T2� S� A� =� B� T� ST� S� C� =� D� DI P1� P2 Back Scales: L� K� DF� =� CF� CIF� CI� C� =� D� R1� R2
Aristo 0958 - 360� Geod�t	0340	Generic slide rule of plastic, 336x48x4.5 mm Front Scales: 1-cos� 1-cos� A� =� B� 1/tga/2� sin cos� sin cos� cos2� =� D� L� K, Back Scales: <ctg� <tg� <arc� CF� =� DF� DIF� CI� C� =� D� P� <sin� <cos
Aristo 0969 Studio Log	0374	Generic slide rule of plastic, 372x66x4.5 mm Front Scales: LL00� LL01� LL02� LL03� A� =� B� BI� K� L� CI� C� =� D� LL3� LL2� LL1 LL0 Back Scales: ST� T1� T2� DF� =� CF� CIF� S� CI� C� =� D� DI� P� S
Aristo 0970 Multilog	5031	Generic slide rule of plastic, 339x48x4,5 mm Front Scales: LL00� K� A =� B� T� ST �S� C� =� D� DI� LL0 Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� L� CI� C� =� D� LL3� LL2� LL1
Aristo 0971 Hyperbolog	0392	Generic slide rule of plastic, 338x48x4.5 mm� (1954) Front Scales: Th� K� A� =� B� T� ST� S� C� =� D� DI� Sh2� Sh1 Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� L� CI� C� =� D� LL3� LL2� LL1
Aristo 0972 Hyperlog	0396	Generic slide rule of plastic, 358X66X4 mm� (1954) Front Scales: H2� Sh2� Th� K� A� =� B� T� ST� S� P� C� =� D� DI� Ch� Sh1� H1 Back Scales: LL00� LL01� LL02� LL03� DF� =� CF� CIF� L� CI� C� =� D� LL3� LL2� LL1� LL0
Aristo 10076 For Chemists	5434	Conversion slide chart
Aristo 10096	3865	Technical slide rule of plastic, 320x34x3 mm
Aristo 101 Junior Projektionsrechenstab	0147	Generic projection of plastic, 380x170x212 mm Front Scales: DF� =� CF� CIF� CI� C� =� D� A� K Back Scales: 1)� =� 2)� 3)� =� 4)
Aristo 10101 System Blechstein	0401	Other slide rule of plastic, 320x130x26 mm
Aristo 10102 System Blechstein	0402	Other slide rule of plastic, 290x84x2 mm
Aristo 10125 Galvanotechnisch	0403	Technical slide rule of plastic, 155x47x4 mm Front Scales: 14cm� /� a� =� b� f� c� =� d� \� 5inch Back Scales: =� e� =
Aristo 10132 Baustahlgewebe	0404	Log/tech slide rule of plastic, 167x44 mm Front Scales: h� M� =� B� se� sb� =� fe� diameters� Q� R Back Scales: =� B� se� sb� =
Aristo 10133 Philips Cinema	0405	Generic slide rule of plastic, 230x36x3.4 mm Front Scales: P� =� H,B� 1)� h,b�� =� f
Aristo 10175	3534	Slide rule
Aristo 10176 Wire Rope BPM	0408	Technical slide chart of plastic, 195x75x1.3 mm� (1958)
Aristo 1067 U	0397	Generic slide rule of plastic, 580x49x7 mm Front Scales: 50cm� /� K� A� =� B� BI� CI� C� =� D� P� S� T Back Scales: =� L� LL1� LL2� LL3� =
Aristo 168 Studio Projektionsrechenstab	0156	Generic projection of plastic, 380x170 mm Front Scales: LL01� LL02� LL03� A� =� B� L� K� C� =� D� LL3� LL2� LL1, Back Scales: ST� T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S
Aristo 170104	2823	Military disc of plastic, 240x176x16 mm� (1962)
Aristo 201 Junior Projection	6009	Generic projection of metal/plastic, 250X51X5 mm Front Scales: DF� =� CF� CIF� CI� C� =� D� A� K
Aristo 40119 Bekistingdragers Design: E. Hohnholz	5296	Technical slide chart of plastic, 270x70x2 mm Front Scales: See Picture Back Scales: See Picture
Aristo 60115	0410	Generic disc of plastic, 148x2 mm Front Scales: A� =� B� C� =� D� =� E
Aristo 60149 Naviguide P 2	3465	Nautical disc of perspex, 150x150x4 mm
Aristo 60168	0414	Technical disc of plastic, 140x2.5 mm
Aristo 603 Prozent Rechner	0165	Financial disc of plastic, 122x2 mm Front Scales: C� =� D� %
Aristo 604	0166	Financial disc of plastic, 104x2.2 mm Front Scales: C� =� D %
Aristo 605	0167	Financial disc of plastic, 104x2.2 mm Front Scales: C� =� %
Aristo 610� Aviat	0169	Aviation disc of plastic, 100x3 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)� 6)� 7)� 8)� 9),� 4 windows,� 10)� 11) Back Scales: 12)� =� 13)� 14)� 15)� =� 16)� 17)� 18)
Aristo 620	0174	Generic disc of plastic, 120x6 mm Front Scales: C� =� D
Aristo 622 Calculator	0176	Generic disc of plastic, 122x4 mm Front Scales: K� A� C� =� D� CI
Aristo 623 Commerz III	0177	Generic disc of plastic, 122x2 mm Front Scales: units� D� =� C� CI� %
Aristo 647 BD Aviat Jet	0179	Aviation disc of plastic, 250x140 mm
Aristo 661 Naviat	0181	Nautical disc of plastic, 140x250 mm Front Scales: 1)� =� 2)� 3)� =� 4)� + 2 windows Back Scales: 5)� =� 6)� 7)
Aristo 670 Fahrtenrechner	0182	Technical disc of plastic, 50x2 mm Front Scales: 1)� =� 2)� =� 3), Back Scales: 4)� =� 5)� = �6)
Aristo 80105 Entwurf: v. Staden	5795	Log/tech slide rule of plastic, 154x33x5 mm Front Scales: 13cm� /� %� =� �C %� %� C� =� D
Aristo 80107	5797	Log/tech slide rule of plastic, 154x32x4.6 mm Front Scales: 13cm� /� %Verlust� �t� =� %CO2� �F� C� =� D� �C Back Scales: =� Centistokes� �Engler� Redwood No.1Sek� =
Aristo 80135	5440	Log/tech slide rule of plastic, 16838 mm� (1944) Front Scales: 14cm� w� = v� CI� C� =� D� K� L Back Scales: C� =� P� M� =� Q
Aristo 80148 System Poser	0417	Generic slide rule of plastic, 173x38x3 mm Front Scales: 120 mm� =� 1� 2� =� 3� 4, Back Scales: 5� =� 6� =� 7
Aristo 80161	0418	Other slide rule of plastic, 158x32x45 mm Front Scales: 14cm� /� 1)� =� 2)� 3)� =� 4)
Aristo 80161 Presby Rechenstab nach Dr. Reiner	6008	Log/tech slide rule of plastic, 157x32x4.5 mm� (1975) Front Scales: 14cm� /� Sehbereich� =� Akkommod.� =� Nachzusatz
Aristo 803 Scholar	0184	Generic slide rule of plastic, 166x44x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T
Aristo 811	3658	Generic slide rule of plastic, 120x25x3 mm Front Scales: 10cm� /� A� =� B� CI� C� =� D
Aristo 812 Simplex	0189	Generic slide rule of plastic, 154x32x3.8 mm Front Scales: 13cm� /� A� =� B� C� =� D Back Scales: =� sin� lg� tg� =
Aristo 814 Elektro (Ahrend 690/1)	3980	Electrical slide rule of plastic, 154x32x3.6 mm Front Scales: 13cm� /� LL2� A� =� B� CI� C� =� D� LL3� #V� D/M(=)� G/M3~)#, Back Scales: =� sin� lg� tg� =� 5inch
Aristo 815 Elektro	0194	Generic slide rule of plastic, 164x41.2x4.8 mm Front Scales: 15cm� /� K� A� =� B� BI� CI� C� =� D� D/M(=) V Back Scales: =� S� ST� L� T� =
Aristo 826 MultiTrig	0200	Generic slide rule of plastic, 175x38x3 mm Front Scales: T1� T2� S� A� =� B� T� ST� S� C� = �D� DI� P1� P2 Back Scales: L� K� DF� =� CF� CIF� CI� C� =� D� R1� R2
Aristo 845 Commerz I	0201	Generic slide rule of plastic, 154x32.6x4.2 mm Front Scales: 13cm� /� %� KZ� =� T2� P� T1� =� Z� M Back Scales: =�� s./d.� =
Aristo 852	3657	Generic slide rule of plastic, 155x32.5x4.5 mm Front Scales: 13cm� /� U1/U2� A� =� B� Neper� C� =� D� db� U1/U2 Back Scales: =� Volt� mv� mv� =
Aristo 860 Darmstadt	0206	Generic slide rule of plastic, 160x41x4.8 mm Front Scales: 15cm� /� K� A� =� B� BI� CI� C� =� D� P� S� T Back Scales: =� L� LL1� LL2� LL3� =
Aristo 867 Darmstadt	0208	Generic slide rule of plastic, 160x46x4.8 mm Front Scales: 15cm� /� K� A� =� B �BI� CI� C� =� D� P� S� T Back Scales: =� L� LL1� LL2� LL3� =
Aristo 868 Studio	0220	Generic slide rule of plastic, 174x39x3 mm� (1954) Front Scales: LL01� LL02� LL03� A� =� B� L� K� C� =� D� LL3� LL2� LL1 Back Scales: ST� T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S
Aristo 870 Multilog	0230	Generic slide rule of plastic, 169x38x3 mm Front Scales: LL00� K� A� =� B� T� ST� S� C� =� D� DI� LL0 Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� L� CI� C� =� D� LL3� LL2� LL1
Aristo 89 Rietz (Ahrend 690)	0114	Generic slide rule of plastic, 155x32.4x4.2 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Aristo 890 Rietz	0232	Generic slide rule of plastic, 157x32x4.6 mm� (1954) Front Scales: 14cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Aristo 90117 Aqua Math	0120	Tabaque slide rule of plastic, 218x44x2.5 mm
Aristo 90128	5433	Financial slide rule
Aristo 90184 Baustahlgewebe Bemessungsschieber	0420	Generic slide rule of plastic, 319x44x4 mm Front Scales: 1)� 2)� A� =� B� CI� 3)� C� =� D� 4)� 5) Back Scales: 6)� h� M� =� 7)� =� fe� 8)
Aristo 909 Multirietz	0305	Generic slide rule of plastic, 337x43.8x3.8 mm Front Scales: P� A� =� B� T� ST� S� =� D� DI Back Scales: K� DF� =� CF� CIF� CI� C� =� D� L
Aristo 914 Elektro	0309	Electrical slide rule of plastic, 300x40.8x7.8 mm Front Scales: 28cm� /� E� A� =� B� R� C� =� D� E� ]� K�� #Volt� Dynamo� Motor#, Back Scales: 30cm� =� S� L� T� =
Aristo 915 Elektro	0314	Generic slide rule of plastic, 310x55x7 mm Front Scales: 28cm� /� K� A� =� B� BI� CI� C� =� D� LL3� LL2� D/M(=)� V� \� 9inch, Back Scales: =� S� ST� L� T� =
Aristo 915 Elektro (Ahrend 696)	0315	Generic slide rule of plastic, 300x48x5.4 mm Front Scales: 28cm� /� K� A� =� B� BI� CI� C� =� D� LL3� LL2� D/M(=)� V, Back Scales: =� S� ST� L� T� =� 11inch
Aristo 92	0129	Generic slide rule of plastic, 360x35x5.5 mm Front Scales: 28cm� /� A =� B� CI� C� =� D Back Scales: =� S� L� T� =
Aristo 920	5441	Log/tech slide rule of plastic
Aristo 929 Multirietz	0322	Generic slide rule of plastic, 337x48x3.8 mm� (1959) Front Scales: 25cm� P� A� =� B� T� ST� S� =� D� DI� 10inch Back Scales: K� DF� =� CF� CIF� CI� C� =� D� L
Aristo 929 Technica (Ahrend 701)	0323	Generic slide rule of plastic, 337x48x3.8 mm Front Scales: 25cm� P� A� =� B� T� ST� S� =� D� DI� 10inch Back Scales: K� DF� =� CF� CIF� CI� C� =� D� L
Aristo 939 Stahlbeton System G�ttsch	0331	Concrete slide rule of plastic, 337x48x4.2 mm Front Scales: [kgm]� [tm]� M� =� b� sb� K� r� =� h Back Scales: s'e� and M� [kgm]� [tm] =� b� table� sb� r� =� z� h
Aristo 940 Stahlbeton	0334	Concrete slide rule of plastic, 373x66x6 mm Front Scales: Fe� me� Me(=A)� =� b(=B)� BI� dmax� e1� k� kd� a� e� maxd� CI� kb(=C)� =� ke(=D)� k� h
Aristo 95 1/2	0130	Generic slide rule of plastic, 284x27x3.7 mm Front Scales: A� =� B� C� =� D, Back Scales: 28cm� =� S� T� =
Aristo 958 -� 400g Geod�t	0339	Generic slide rule of plastic, 339x48x45 mm� (1959) Front Scales: 1-cos� 1-cos� A� =� B� 1/tga/2� sin cos� sin cos� cos2� =� D� L� K, Back Scales: <ctg� <tg� <arc� CF� =� DF� DIF� CI� C� =� D� P� <sin� <cos
Aristo 99 Rietz	0132	Generic slide rule of plastic, 310x41x7 mm Front Scales: 28cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Aristo Aviat 613	5742	Aviation disc of plastic, 130x77 mm Front Scales: see picture Back Scales: see picture
Aristo Aviat 615 (front side)	0170	Aviation disc of plastic, 140 x 5 mm Front Scales: ca 20 scales Back Scales: 1)� =� 2)� 3)� 4)� =� 5)� 6)
Aristo Aviat 617	0172	Aviation disc of plastic, 140x250x7 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)� + 4 windows + 6)� 7)� 8)� 9)� 10), Back Scales: 11)� =� 12)� 13)
Aristo Drum	3244	Cylinder
Aristo G 616� Aviat	0171	Aviation disc of plastic, 114x250x1 mm� (1956) Front Scales: 1)� =� 2)� 3) Back Scales: 4)� 5)� =� 6)� 7)� 8)� 9)� 10)� 11)� 12)
Aristo gwr	1355	Aviation slide rule of plastic, 381x425x7 mm Front Scales: 1)� 2)� /� 3)� =� 4)� 5)� =� 6); on cursor 7) ] 36cm
Aristo Nautical	3242	Nautical cylinder
Aristo Stahlbeton 939 System G�ttsch Front only	5774	Concrete slide rule of plastic, 337x48x4.2 mm Front Scales: [kgm]� [tm]� M� =� b� sb� K� r� =� h Back Scales: s'e� and M� [kgm]� [tm] =� b� table� sb� r� =� z� h
Aristo Studio 0968� for 400�	6007	Generic slide rule of plastic, 37x48x4,5 mm� (1954) Front Scales: LL01� LL02� LL03� A� =� B� L� K� C� =� D� LL3� LL2� LL1, Back Scales: ST� T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S
Arka	3896	Generic slide rule of plastic, 119.5x32.5x3.5 mm Front Scales: 10cm� /� A� = B� C� =� D
Artillery 155-AM-1 HE M107	0461	Military slide rule of plastic, 486x107x9 mm
Artillery 155-AM-2 HE M107	0462	Military slide rule of plastic, 486x107x9 mm
Artillery Ballistischer Korrektur - Rechner (BKR) der Artillerie	2899	Military instrument of metal, 380x330x28 mm� (1963-1964) Front Scales: G� �T� J� �D� F� H� H� �H� 1)� �a� BS� SD� 2)� 3)� 4)
Artillery Gitterplatte	2897	Military disc of plastic/metal, 148x207x5 mm� (1958) Front Scales: 1)� 2)
Artillery Gun 155mm	0450	Military slide rule of wood/plastic, 295x51x6.5 mm Front Scales: 1), Back Scales: 2)
Artillery GUN 175 mm FT 175 AO (REV II) Charge 1 2 3 +�� HA	0473	Military slide rule of plastic, 382x65x5 mm
Artillery GUN 175mm 175AO(REV II)HEM437 Charge 3 + HA	0474	Military slide rule of plastic, 460x88x5.5 mm
Artillery HOW� 155 mm hw ST 155 - Q - 3� 1963 Liniaal 2/4	0452	Military rule/cursor no slide of plastic, 385x65x3.8 mm� (1963) Front Scales: 1)� 2)� 3)� 4)� 5)� 6)� 1)� 2)� 3)� 4)� 5)� 6) Back Scales: 1)� 2)� 3)� 4)� 5)� 6)� 1)� 2)� 3)� 4)� 5)� 6)
Artillery HOW 105 AMX ST 105-F6 1963	0439	Military slide rule of plastic, 387x65x4 mm� (1963) Front Scales: 1)� 2), Back Scales: 3)
Artillery HOW 105 AMX ST 105-F6 1963	0443	Military slide rule of plastic, 387x65x4 mm� (1963) Front Scales: 1)� 2), Back Scales: 3)� 4)
Artillery HOW 105 mm� SHELL HE M1 Rule 2,	0442	Military slide rule of all wood, 296x51x7 mm Front Scales: 1)� 2), Back Scales: 3)� 4)
Artillery HOW 105mm M2 & M2A1 charges 1, 3 and High Angle	0440	Military slide rule of wood/plastic, 294x52x7 mm Front Scales: 1)� 2)� 3)� 4) Back Scales: 5)� 6)� 7)� 8)
Artillery HOW 105mm M2 & M2A1 charges 4,5,6 en 7.	0444	Military slide rule of wood/plastic, 294x52x7 mm Front Scales: 1)� 2)� 3)� 4), Back Scales: 5)� 6)� 7)� 8)
Artillery HOW 105mm M2 & M2A1 Graphical Firing Table	0436	Military slide rule of wood/plastic, 470x71x13 mm Front Scales: 1)� 2)� 3)� =�� =� D� K
Artillery HOW 155 mm� FT 155 AH 1 Proj HE M107 Charge 3/7	0455	Military slide rule of all wood, 370x53x13 mm Front Scales: =� 1)� 2)� 3)� 4)� C� =� D Back Scales: =� 5)� 6)� C� =
Artillery HOW 155 mm� SHELL HE M107 Rule 1,	0447	Military slide rule of all wood, 296x52x7 mm
Artillery HOW 155 mm hw ST 155 - Q - 3� 1963 Liniaal 1/4	0448	Military rule/cursor no slide of plastic, 385x65x3.8 mm� (1963) Front Scales: 1)� 2)� 3)� 4)� 5)� 6)� 1)� 2)� 3)� 4)� 5)� 6) Back Scales: 2)� 3)� 4)� 7)� 1)� 6)� 4)� 7)� 1)� 6)
Artillery HOW 155 mm hw ST 155 - Q - 3 1963	0445	Military slide rule of plastic, 373x54.8x6.9 mm� (1963) Front Scales: =� 1� 3� 6� 7� C� =� D, Back Scales: =� 4� 5� C� =
Artillery HOW 155 mm hw ST 155 - Q - 3 1963	2696	Military slide rule of plastic, 373x54.8x6.9 mm� (1963) Front Scales: =� 1� 3� 6� 7� C� =� D, Back Scales: =� 4� 5� C� =
Artillery HOW 155mm AH.3HE M107 Charge 1/7	0449	Military slide rule of wood/plastic, 460x89x4.5 mm Front Scales: 1), Back Scales: 2)
Artillery HOW 155mm AK.2.HE M483 A1 Charge 6 en 7	0459	Military slide rule of wood/plastic, 459x89x5.5 mm Front Scales: 1) Back Scales: 2)
Artillery HOW 155mm FT155 AM1 Proj HE M107 Charge 2/8	0453	Military slide rule of all wood, 368x53x13 mm Front Scales: =� 1)� 2)� 3)� C� =� D Back Scales: =� 4)� 5)� 6)� 7)� 8)� 9)� C� =
Artillery HOW 75 MM. M1 & M1A1. Rule 1 no. 7674033	0433	Military slide rule of all wood, 295x51x6.5 mm Front Scales: 1)� 2)� 3)� c� F� 4)� FS� 5)� c� F� 6)� FS Back Scales: 7)� 8)� 9)� c� F� 10)� FS� 11)� c� F� 12)� FS TF
Artillery HOW 75 MM. M1 & M1A1. Rule 2 no. 7674035	0434	Military slide rule of all wood, 295x51x6.5 mm Front Scales: 1)� 2)� 3)� c� F� 4)� FS� 5)� c� F� 6)� FS Back Scales: 7)� 8)� 9)� c� F� 10)� FS� 11)� c� F� 12)� FS TF
Artillery HOW 75 MM. M1 & M1A1. Rule 3 no. 7674037	0435	Military slide rule of all wood, 295x51x6.5 mm Front Scales: 1)� 2)� 3)� 4)� 5)� TF� 6)� 7)� 8)� TS Back Scales: 9)� 10)� 11)� 12)� 13)� TF� 14)� 15)� 16)� TF
Artillery HOW 8 Inch 805 HESM 424 A1 Charge 1 and 2	0423	Military slide rule of all wood, 456x88x5.5 mm Front Scales: 1)� 2)� 3)� 4)� 5)� 6)� 7)� 8) Back Scales: 9)� 10)� 11)� 12)� 13)� 14)� 15)� 16)
Artillery HOW 8 Inch 805 HESM 424 A1 Charge 3	0427	Military slide rule of all wood, 456x88x5.5 mm Front Scales: 1)� 2)� 3)� 4)� 5)� 6)� 7)� 8)
Artillery HOW 8 Inch 8J4 HE M 106 Charge 1 and 3	0424	Military slide rule of plastic, 460x88x5.5 mm
Artillery HOW 8 Inch 8R1 HE SM424 A1 Charge 3 and 8	0428	Military slide rule of plastic, 457x88x5 mm
Artillery HOW 8 Inch charge 1 6 7 3 4 5	0425	Military slide rule of wood/plastic, 370x52x12.5 mm Front Scales: =� 1)� C� =� D, Back Scales: =� 2)� C� =
Artillery HOW 8 Inch FT 8-R-1 Proj M424A1 charge 1 2 8 3	0426	Military slide rule of all wood, 370x53x13 mm Front Scales: =� 1)� 2)� 3)� C� =� D Back Scales: =� 4)� 5)� C� =
Artillery HOW 8 Inch High Angle 8QIHEMIO6	2875	Military rule/cursor of wood/paper, 456x87x6 mm Front Scales: 1)� 2)� 5x4 scales, Back Scales: 3)� 4)� 5x4 scales
Artillery HOW H4 FT 105 M2A1 8 M4 1 July '51 charge 1� 6 3 7 4 5	0441	Military slide rule of all wood, 372x53x13.5 mm Front Scales: =� 1)� 2)� 3)� 4)� C =� D Back Scales: =� 5)� 6)� =
Artillery HOW HW 105 AMX ST 105 F - 1 1966	0437	Military slide rule of plastic, 373x54.8x7.4 mm� (1966) Front Scales: =� 6� 9� 10� C� =� D, Back Scales: =� 7� 8� C� =
Artillery HOW HW 105 AMX ST 105 F - 6 1963	0438	Military slide rule of plastic, 373x54.8x6.9 mm� (1966) Front Scales: =� 1� 3� 6� 7� C� =� D, Back Scales: =� 4� 5� C� =
Artillery HOW Lichtgranaat 155 mm hw ST 155 - Q - 3 1963 Liniaal 3/4	0454	Military rule/cursor no slide of plastic, 385x65x3.8 mm� (1963) Front Scales: 1)� 2)� 3) 4)� 5), Back Scales: 1)� 2)� 3) 4)� 5)
Artillery HOW Lichtgranaat 155 mm hw ST 155 - Q - 3 1963 Liniaal 4/4	0456	Military rule/cursor no slide of plastic, 385x65x3.8 mm� (1963) Front Scales: 1)� 2)� 3)� 4)� 5) Back Scales: 1)� 2)� 3)� 4)� 5)
Artillery HOW Projectile Illuminating 155mm Charge 2GB en 3GB	0451	Military slide rule of wood/plastic, 560x88x5.5 mm Front Scales: 1)� 2)� 3) 4)� 5) Back Scales: 1)� 2)� 3) 4)� 5)
Artillery HOW Projectile Illuminating 155mm Charge 7 en 5GB	0458	Military slide rule of wood/plastic, 560x88x5.5 mm Front Scales: 1)� 2)� 3) 4)� 5) Back Scales: 1)� 2)� 3) 4)� 5)
Artillery Kartenwinkelmesser 6675-276-2992	2895	Military instrument of celluloid, 140x200x0.5 mm Front Scales: 1)� 2)� 1:100000� 1:50000� 1:25000
Artillery rule 25 pr lin 1/2	0431	Military slide rule of plastic, 386x65x4.5 mm� (1965) Front Scales: 1) - 10), Back Scales: 11) - 21)
Artillery rule 25 pr lin 2/2	0432	Military slide rule of plastic, 386x65x4.5 mm� (1965) Front Scales: 1) - 10), Back Scales: 11) - 23)
Artillery Schiessbehelf f�r unregelm�ssige Batterie-Stellungen	2896	Military instrument of plastic, 210x296x1 mm Front Scales: Plate 1 front +�H� 25km� -�H� 1)� 2), Back Scales: Plate 2 front 2 3,4,8,6,7,9 and back 11, 12, 14, 16, 18 20
ASA CP - R plotter	3485	Disc of plastic, 330x112x1 mm
ASA E 6 B Flight Computer	2783	Aviation disc of metal, 122x244x8 mm� (1992)
Aschaffenburg	5373	Technical slide chart of plastic, 258x49x1.1 mm Front Scales: See Picture, Back Scales: See Picture
Aston & Mander Harrow Mark Reducer	0476	Generic slide rule of all wood, 610x50x4.3 mm Front Scales: 2-200� =� 2-2000� =
Aston & Mander Mk. VI	0477	Military slide rule of stainless steel, 470x35x6 mm� (1915)
Atlas 51	3940	Generic slide rule of plastic, 150x27x3 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Atlas Calculator	5775	Disc
Atlas Copco Compressed Air Mains	2794	Log/tech slide rule of plastic, 161x27x4 mm Front Scales: �P1� �P� =� d� P1� L1� =� Q� Q1 Back Scales: =� d� P� L� =
Atlas Copco Druckluftleitungen	0478	Log/tech slide rule of plastic, 159x27x3.4 mm Front Scales: �P� =� d� P� L� =� Q
Auxitrol Conversion	0480	Conversion slide chart of plastic, 189x76x1.6 mm
Avery Hardoll Bulk Liquids	2765	Technical slide chart of plastic, 187x49x1.8 mm
Aviation Technology Pilot's Pocket DME	2195	Aviation disc of plastic, 162x2 mm� (1976) Front Scales: See picture
AWF HICO	5734	Log/tech slide rule of cardboard/plastic, 218x44x4.5 mm Front Scales: Various, Back Scales: Various
BAB Werbemittel	5353	By B.A.B. Werbemittel, medical disc of plastic, 142x1.2 mm Front Scales: seepicture, Back Scales: See Picture
Baedeker Calorie�nteller	0483	Medical disc of cardboard, 110x130x2 mm
Ball Rietz	0484	Generic slide rule of wood/plastic, 279x36x11 mm Front Scales: 26cm� /� K� A� =� B� C� =� D� L� ]� 10inch Back Scales: =� S� ST� T� =
Barbotheu	5736	Generic slide rule of all wood, 270 mm Front Scales: 26cm� /� A� =� B� C� = D� ]�� 27cm� #27-54cm#
Barbotheu	5758	Generic slide rule of wood/celluloid, 280 mm Front Scales: 26cm� /� A� =� B� C� = D� ]�� 27cm� #28-55cm#
Barbotheu JD 403	5732	Generic slide rule of wood/plastic, 250x38x11.5 mm Front Scales: A� =� a� c� b� =� B� C Back Scales: =� So� Log� To� =
Batori Speed Fuel Jet Computer	3872	Aviation disc of metal, 120x6 x195 mm
Bausch & Lomb Vertex Power Lens Computer	3472	Photography disc of metal, 110x1 mm
BDF Zonwijzer	5410	Medical disc of cardboard, 120x07 mm Front Scales: UV-Inde� =� Skin type� Minutes� Factor� Time
Beers Diamond	0486	Log/tech disc of plastic, 90x120x1.5 mm Front Scales: 1)� =� 2)� =� 3), Back Scales: 4)� =� 5)� =� 6)
Begemann K.N.M.	0487	Technical disc of plastic, 120x2 mm Front Scales: 1)� =� 2)� =� 3)� 4)� =� 5) Back Scales: 6)� =� 7)� 8)� =� 9)
Begemann Pompen Rekenlat	2768	Log/tech slide rule of cardboard, 173x48x2.5 mm
Begemann Pompen Rekenlat	5444	Log/tech slide rule of cardboard, 173x48x2.5 mm
Beko Condensate Calculator	3568	Technical disc of plastic, 131x1 mm
Bell Performance Computer 206 A	2892	Aviation disc of cardboard/celluloid, 127x3 mm Front Scales: Tables, Back Scales: 1)� 2)� 3)
Bell Performance Computer OH - 58A	0488	Aviation disc of plastic, 128x2 mm
Below Futter Rechenschieber Eiweiss	3507	Slide rule, 520x130x18 mm� (1949)
Below Futter Rechenschieber Latest model 51A	0489	Technical slide rule of plastic, 280x73x23 mm� (March 1951)
Below Futter Rechenschieber Prototype disc version	3511	Disc
Below Futter Rechenschieber Prototype of Model 51A	3510	Slide rule, 275x135x4 mm
Below Futter Rechenschieber St�rkewert	3508	Slide rule, 520x130x18 mm� (1949)
Below Futter Rechenschieber White model	3509	Slide rule, 270x160x8 mm� (May 1950)
Benzin - Rechner	5346	Log/tech slide chart of cardboard, 108x149x1 mm Front Scales: See Picture, Back Scales: See Picture
BEPAM IRMO Carbures Metalliques	3879	By B.E.P.A.M Nancy, technical slide rule/disc of plastic, 186x155x14 mm
Berg Hydrauliek	5308	By vd Berg, technical slide chart of cardboard, 143x170x0.7 mm Front Scales: See Picture, Back Scales: See Picture
Beseler 7279 Projection	5095	Generic slide rule of plastic
Betta Enfield Height and Air Speed Mark. II A 6B / 166	1739	Aviation disc of metal/bakelite, 145x7.5 mm
Billeter's Julius Rechentafel	0490	Generic instrument of metal/glass, 290x81x0.8 mm Front Scales: 1)� 2)� 3)� 4)� =� 5)� 6)� 7)� 8)� =� 1)� 2)� 3)� 4)
Bio Slide	0491	Medical slide rule of plastic, 360x64x11 mm
BIPM Mud Weight	0493	Technical slide c of plastic, 190x85x2.5 mm� (1966)
BIPM Optimum Drilling Technique	0492	Log/tech slide chart of plastic, 252x112x3 mm
Blundell� MK. 2 Artillery 10" Mils	2914	Military slide rule of PVC, 330x47x4 mm Front Scales: ST� S� A� =� B� C� =� D� T
Blundell & Harling 0490.45 Cocktail MixerF	3545	Food and drink slide chart of plastic, 146x83x2.5 mm
Blundell 0490.75 Concrete Volume computer	5374	Concrete slide chart of plastic, 200x46x2 mm� (1970) Front Scales: See Picture, Back Scales: See Picture
Blundell 100	3828	Generic slide rule of plastic, 139.5x27.5x4 mm Front Scales: A� =� B� C� =� D
Blundell 1066 Speed Time Distance	0546	Nautical slide chart of PVC, 176x47x2 mm Front Scales: 1)� =� 2)� 3)� =� 4), Back Scales: =� 5)� =
Blundell 1084 Dead Reckoning� Portland	0545	Nautical disc of PVC, 133x154x4 mm� (1976) Front Scales: 1)� =� 2), Back Scales: 3)� =� 4)
Blundell 300 Academy	2922	Generic slide rule of co-polymer
Blundell 302 Log - log Academy	0531	Generic slide rule of PVC, 287x46x4 mm Front Scales: L� LL2� LL3� A� =� B� CI� C� =� D� S� T� ST
Blundell 303 Rietz Academy	0532	Generic slide rule of PVC, 287x46.5x4 mm� (1958-1970) Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T
Blundell 304 Darmstadt Academy	2923	Generic slide rule of PVC
Blundell 305 C Electro Academy	0533	Generic slide rule of PVC, 287x465x35 mm� (1958-1970) Front Scales: 1)� EFF� GEN.MOT.� A� =� B� CI� C� =� D� K� LL2� LL3, Back Scales: =� S� L� T� =
Blundell 308 Accountants Academy	2925	Financial slide rule of PVC
Blundell 310 Academy	2905	Generic disc of PVC, 762 mm� (1958-1970) Front Scales: D� =� C� CI� A� K
Blundell 310 Descal	2927	Generic disc of PVC, 762 mm� (1958-1970) Front Scales: L� D� =� C� CI� A� K
Blundell 312 Simplified Rietz Academy	2926	Generic slide rule of PVC
Blundell 315 Descal	3153	Generic disc of PVC, 196x10 mm Front Scales: LL3� LL2� LL1� D� =� C� CI� A� K
Blundell 316 Descal	0534	Generic disc of PVC, 196x10 mm Front Scales: C �=� D
Blundell 401 Rietz Omega	2939	Generic slide rule of PVC, 297x42x9 mm� (1958-1970) Front Scales: 11inch� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Blundell 402 Log - log Omega	2940	Generic slide rule of PVC
Blundell 403 Darmstadt Omega	2942	Generic slide rule of PVC
Blundell 404 Electro Omega	2928	Generic slide rule of PVC
Blundell 405 Omega	2758	Generic slide rule of PVC, 300x42x8 mm� (1958-1970) Front Scales: 11inch� /� A� =� B� C� =� D
Blundell 407 Technico Omega	2934	Generic slide rule of PVC
Blundell 409 Mercantile Omega	2933	Financial slide rule of PVC
Blundell 601 Rietz Omega	0536	Generic slide rule of PVC, 159x33x6 mm� (1958-1970) Front Scales: 6inch� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Blundell 605 Omega	2930	Generic slide rule of plastic, 160x33x4 mm Front Scales: 6inch� /� A� =� B� C� =� D
Blundell 606 Omega	3915	Generic slide rule of plastic, 159x33x5 mm Front Scales: 6in� /� A� =� B� CI� C� = D Back Scales: =� S� S&T� T� =
Blundell 800	2759	Generic slide rule of PVC, 306x36x4 mm� (1970-1982) Front Scales: A� =� B� C� =� D
Blundell 802 Log - log Academy	0537	Generic slide rule of PVC, 330x46.5x4 mm Front Scales: K� LL2� LL3� A� =� B� L� CI� C� =� D� S� T� ST
Blundell 803 P (Projection)	0539	Generic projection of perspex, 363x60x5 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T
Blundell 803 Rietz Academy	0538	Generic slide rule of PVC, 331x47x45 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� T� ST
Blundell 808 Accountants Academy	2909	Generic slide rule of PVC, 329x46x4 mm� (1970-1982) Front Scales: S� LL1� DF� =� CF� IL IR� C� =� D� LL3� LL2 Back Scales: M� =� T� =
Blundell 812 Classmate Academy	0540	Generic slide rule of PVC, 172x37x4.5 mm� (1970-1982) Front Scales: S� T� A� =� B� CI� C� =� D� K� L
Blundell 813 Classmate Academy	0541	Generic slide rule of PVC, 307x37x4.5 mm� (1970-1982) Front Scales: S� T� A� =� B� CI� C� =� D� K� L
Blundell 904 Academy	0542	Generic slide rule of PVC, 319x37x4.3 mm� (1975-82) Front Scales: ST� A� =� B� CI� C� =� D� S� T Back Scales: K� L� DF� =� CF� CIF� C� =� D� LL2� LL3
Blundell 905 Academy	0543	Generic slide rule of PVC, 329x46.5x4 mm� (1975-1982) Front Scales: LL01� LL02� LL03� A� =� B� L CI� C� =� D� LL3� LL2� LL1, Back Scales: K� P� ST� DF� =� CF� CIF� CI �C� =� D� T� S
Blundell AG 1	2970	Generic slide rule of co-polymer
Blundell AG 2	0511	Generic slide rule of co-polymer, 286x37x7 mm Front Scales: 10inch� /� K� A� =� B� R� C� =� D M Back Scales: 26cm
Blundell AG 5 RIETZ	2971	Generic slide rule of co-polymer, 286x37x8 mm� (1949-1958) Front Scales: 10inch� /� K� A� =� B� R� C� =� D� M Back Scales: 26cm� =� S� ST� T� =
Blundell AL 6	0513	Generic slide rule of co-polymer, 284x37x8 mm� (1949-1958) Front Scales: 25cm� /� U.L.� A� =� B� R� C� =� D� L.L. Back Scales: =� S� ST� T� =� 10inch
Blundell and Harling P 3695 Valve sizing rule	5789	Log/tech slide chart
Blundell B.P - OIL Fuel Viscosity-Temp.	0497	Technical disc of PVC, 144x1 mm Front Scales: 1)� =� 2)� 3)� =� 4)� 5)� =� 6)� 7)� 8)� 9)� 10)
Blundell Balloon BRL Mark IV A	0328	Meteorology slide rule of PVC, 628x62x12 mm Front Scales: 1)� 2)� 3)� 4)� =� K� 6)� 7)� =� 8)� 9)
Blundell Bearing Rate Mark 1 Model 0	0496	Technical slide rule of PVC, 368x63x6.5 mm Front Scales: 1)� =� 2)� 3)� =� 4)
Blundell C 24 Face Cost & Profit Reckoner	2986	Slide rule of PVC
Blundell Cardiovascular Risk Calculator	0498	Medical disc of PVC, 127x1 mm Front Scales: 1)� =� 2)� + window
Blundell Conversion 0490.37	0503	Conversion slide chart of PVC, 190x77x2 mm� (1994) Front Scales: Side A: 20 scales Back Scales: Side B: 180 mm� 18 scales� 7inch
Blundell DM 1 Rietz Instruction rule	2947	Generic slide rule of wood/plastic, 1520�� mm Front Scales: K� A� =� B� R� C� = �D� M Back Scales: =� S� ST� T� =
Blundell E 13 c Electricians	2870	Electrical slide rule of PVC
Blundell E 25 C	3661	Technical slide rule of plastic, 289x41.5x8.5 mm Front Scales: 25cm� /� LL2� A� =� B� R� C� =� D� LL3� K� #�V� GEN. EFF. MOT. EFF.� GEN. MOT.#, Back Scales: =� sin� lg� tg� =
Blundell E 25 Electricians	2983	Electrical slide rule of PVC
Blundell E 3 Electrical	2953	Electrical slide rule of bakelite
Blundell Exchange Rate converter	3158	Financial disc of plastic, 95x1.2 mm Front Scales: 1)� =� 2)� =� 3)
Blundell F 5100 Black Body	3021	Radioactivity slide rule of PVC, 454x90x10 mm Front Scales: g� f� 1)� e� =� h� j� i� l� k� m� =� d� c� b� a Back Scales: =� n� p� o� r� q� s� =
Blundell FC 3540 Fisher Valve	0556	Log/tech slide rule of PVC, 330x46x4.5 mm� (1967) Front Scales: �P� %QC2� =� P1� 1)� 2)� 3)� C1� Q� =� Cg� %QC1 Back Scales: �P� %QC2� =� P1� 4)� Q� =� Cv� Cg
Blundell G 1 Students	2951	Generic slide rule of bakelite
Blundell G 2	0512	Generic slide rule of bakelite, 285x31x7.5 mm� (1947-1949) Front Scales: K� A� =� B� Rec C� =� D� L
Blundell G 22/2	2918	Generic slide rule of PVC, 306x32x7 mm� (1950) Front Scales: A� =� B� C� =� D
Blundell H Slide Rule	2993	Technical slide rule of PVC, 173x37x4 mm �(1968) Front Scales: 1� 2� =� 3� 4� =� 5� 6� 7� 8 Back Scales: 9� 10� =� 11� 12� =� 13� 14� 15
Blundell Hercules C.Mk. 1� 6B / 1112682	0515	Aviation disc of PVC, 178x2.5 mm Front Scales: 1)� 2)� =� 3)
Blundell Holophane Illumination Calculator	3148	Technical slide rule of bakelite, 290x49x8 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)� 6)� =� 7)� 8)
Blundell Humidity	2906	Hydrology slide rule of PVC, 33.8x50x5 mm Front Scales: (4)� =� (6)(5)(3) )3A)� (2B)(2C)� (2)(2A)� =� (1)� (1B)� (1A), Back Scales: (7)123� =� C� =� D� TA� TB
Blundell Hygrorule	2693	Meteorology slide rule of PVC, 141x31x5 mm Front Scales: 1)� =� 2)� =� 3), Back Scales: =� 4)� =
Blundell L 4	3017	Generic slide rule of bakelite, 284x32x8,5 mm� (1947-1949) Front Scales: U.L.� A� =� B� Rec� C� =� D� L.L.
Blundell L 6	0516	Generic slide rule of bakelite, 285x30x7 mm� (1947-1949) Front Scales: UL� A� =� B� Rec C� =� D� LL Back Scales: =� S� S&T�� T� =
Blundell Lens Calculator	3157	Photography disc of plastic, 95x1.5 mm Front Scales: 1)� =� 2)� 3)� =� 4)� =� 5)� 6)
Blundell Lens Calculator Osprey T.V.	0500	Technical disc of PVC, 86.5x1 mm Front Scales: 1)� 2)� =� 3)� + 1 window with 4) + 5)
Blundell Lincoln MK. 2	1577	Aviation slide rule of bakeliteplastic, 343x63.5x10 mm Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell Management Calculator	3160	Technical disc of plastic, 140x1 mm� (1994) Front Scales: 1)� =� 2)
Blundell MK 1 Lifeboat Sight Computer 9/4531	0520	Nautical slide chart of PVC, 280x80x25 mm� (1956) Front Scales: 1)� 2)� 3)� =� 4)� =, Back Scales: =� 4)� =
Blundell MK 1 Mortar 81 mm	0526	Military disc of PVC, 127x1 mm� (1988) Front Scales: 0� 1� 2� 3� 4� 5� 6
Blundell Mk 2 Artillery Omega 10" Mils	0521	Generic slide rule of PVC, 298x42x8.5 mm� (1958-1970) Front Scales: 1/50000� /� A� =� B� C� =� D Back Scales: =� S� ST� T� =
Blundell MK 3 Artillery 10"	0522	Generic slide rule of PVC, 299x41x8 mm� (1958-1970) Front Scales: A� =� B� C� =� D, Back Scales: =� S� ST� T� =
Blundell MK 6 Humidity	0517	Technical slide rule of PVC, 287x47x9 mm Front Scales: (4)� =� (5)� (3)� (3A)� (2B)� (2C)� =� (1)� (1B) �1(A) Back Scales: (7)� 1)� 2)� =� (6)� (3)� (3A)� (2)� (2A)� =
Blundell N 52 (Navigator) Janus	0525	Generic slide rule of PVC, 330x55x5 mm Front Scales: S1� A� =� B� TA� TB� ST� S� C� =� D� K� L Back Scales: 1)� 2)� 3)� 4)� 5) �=� 6)� 7)�� CI� 8)� 9)� C� =� D� SM� KM
Blundell NL 11 - 95	0523	Generic disc of PVC, 95x2 mm� (1995) Front Scales: L� D� =� C� CI� A
Blundell O.S. 686 A Calculator	2921	Technical slide rule of PVC, 134x47x3.8 mm� (1959) Front Scales: 1)� =� 2)� =� 3)
Blundell P 10	3156	Generic slide rule of co-polymer, 160x33.5x6.5 mm� (1948-1958) Front Scales: 6inch� /� CUBE A� =� B� REC� C� =� D MAN Back Scales: =� S� S&T� T� =� 15cm
Blundell P 1365 Flow of Water in Pipes	2916	Technical slide rule of PVC, 175x47x3.8 mm Front Scales: X� =� Y� W =� Z� V
Blundell P 14	2977	Generic slide rule of co-polymer
Blundell P 15	2978	Generic slide rule of co-polymer, 160x32x4.2 mm� (1948-1958) Front Scales: 6inch� /� A� =� B� REC� C� =� D Back Scales: =� S� S&T� T� =� 15cm
Blundell P 1553 Armstrong Calculator	2811	Log/tech slide rule of PVC, 288x47x3.5 mm Front Scales: S� A� =� B� P� C� =� D� F
Blundell P 1644 Armstrong Calculator	3407	Log/tech slide rule of PVC, 298x52x8 mm Front Scales: 11inch� /� S� A� =� B� P� C� =� D� F Back Scales: 1)� 2)
Blundell P 17	0524	Generic slide rule of co-polymer, 160x33.8x4.6 mm Front Scales: 6inch� /� U.L.� A� =� B� R� C� =� D� L.L. Back Scales: =� S.� S.&T.� T.� =� 15cm
Blundell P 1732 - A Fisher Valve Mark III	0547	Log/tech slide rule of PVC, 254x37x3.5 mm� (1963) Front Scales: VC� �P� D� =� C� 1)� 2)� Q�� =� Cv� 3)� Kv Back Scales: 4)� P1� Pc� =� �P� 5)� 6)� 7)� 8)� Qs� Qg� =� CG� CS� 9)
Blundell P 1843 Nunn Blood Gas Predictor	0548	Medical slide chart of PVC, 280x57x3 mm� (1962) Front Scales: 1)� =� 2)� =� 3)� 4)� 5)� 6)� =� 7)� 8)� =� 9) Back Scales: =� 10)� =� =� 11)� 12)� 13)� 14)� =� 15)
Blundell P 2297 Torpedo Spreading Slide Rule	3440	Military slide rule of plastic, 317x162x8 mm Front Scales: 1)� =� 2)� 3)� =� 4)� 5)� = 6)� 7)� =� 8)
Blundell P 2808 Ultrasonic	0550	Log/tech slide rule of PVC, 184x65.6x8 mm� (1967) Front Scales: A� =� B� C� =� D� E� =� F� G� =� H�� I Back Scales: =� J� K� = �L� M� =� N� =� O� 5inch� 12cm
Blundell P 3241 Rapid Glaze Calculator	0551	Technical disc of PVC, 144x2 mm� (1969) Front Scales: A� C� =� B� D
Blundell P 3259	0552	Technical slide rule of PVC, 343x49.5x3.5 mm� (1969) Front Scales: 10inch� A� B� =� C� D� E� =� F� G� 1) Back Scales: 250 mm� H� I� =� J� K� L� =� M� N� O� 2)
Blundell P 3357 Thermal Expansion of Pipelines	5396	Log/tech slide chart of plastic, 228x48x1.4 mm Front Scales: See Picture, Back Scales: See Picture
Blundell P 3483 Tarrant Hydraulic Slide Rule	0555	Technical slide rule of PVC, 290x47x4 mm Front Scales: 1)� 2)� 3)� =� 4)� 5)� 6)� =� 7)
Blundell P 3512 Textile	2992	Technical slide rule of PVC, 298x43x9 mm Front Scales: 28cm� =� 1)� =� 2)� te� tb� 3)� =� 4)
Blundell P 3706 Nylon Tube Friction Loss Calculator	3408	Log/tech slide rule of PVC, 338x49x4 mm Front Scales: 1)� =� 2)� 3)� =� 4)
Blundell P 3969-77 Textile	2961	Technical slide rule of PVC, 400x108x8.5 mm Front Scales: 1)� 2)� 3)� 4)� =� 5)� 5)� =� 6)� =� 7)� 8)� =� =� 9)� 10)� 11)� 12)� =� 13)� 14)� 15)� 16)
Blundell P 4366 Ultrasonic	2912	Log/tech slide rule of PVC, 245x50x5 mm� (1967) Front Scales: E� A� D� =� C� B� F� G� =� H�� I Back Scales: 5inch� 12cm� L� =� K� J� N� =� M� O
Blundell P 4463 Holophane Illuminance and Angle Calculator	2913	Technical slide rule of PVC, 320x37x4 mm Front Scales: 1)� 2)� =� 3)� 4)5)� 6)� =� 7)� 8)� 9) Back Scales: 10)� =� 11)� 12)� =� 13)� 14)
Blundell P 4603 MK III Orifice Slide Rule	2915	Technical slide rule of PVC, 318x37x4 mm Front Scales: m� d/D� =� h� rs� =� N Back Scales: m� d/D� =� hm� Ss� =� Nm
Blundell P 4740 IFD Cell Reactor	2994	Technical slide rule of PVC, 650x133x8 mm
Blundell P 4743 Fisher Valve	2987	Log/tech slide rule of PVC, 330x46x4.5 mm� (1976) Front Scales: �P� %QC2� =� P1� 1)� 2)� 3)� C1� Q� =� Cg� %QC1 Back Scales: �P� %QC2� =� P1� 4)� Q� =� Cv� Cg
Blundell P 4843 Hydraulic	2920	Technical slide rule of PVC, 330x46x4 mm� (9/78) Front Scales: A� B1� B2 =� C2� C1� E2 1)� 2)� 3)� E1� =� H 4) Back Scales: B1� B3� =� D1� 5)� 6)� D2� F2� F1� =� J
Blundell P 5088 The H Slide Rule	0557	Technical slide rule of PVC, 328x46x4 mm� (1968) Front Scales: 1� 2� =� 3� 4� = �5� 6� 7� 8 Back Scales: 9� 10� =� 11� 12� =� 13� 14� 15
Blundell P 5527 Roof Pitch Indicator	5347	Technical slide chart of plastic, 94x103x1.7 mm� (1995) Front Scales: See Picture, Back Scales: See Picture
Blundell P 5597 Hydro Aluminium	0560	Technical disc of PVC, 178x1.5 mm Front Scales: 1)� =� 2)� + 2 windows Back Scales: 3)� 4)� + 1 window
Blundell P 5637 BOC Hospitality Division	3159	Technical slide chart of plastic, 750x360x6 mm Front Scales: 1)� =� 2)� =� 3)� =� 4)� =� 5)� =� 6)� =� 7)
Blundell P 5705 Torque Calculator	0561	Technical disc of PVC, 147x1.5 mm� (1990) Front Scales: 1)� 2)� =� 3)� 4)� 5)� = 2 windows
Blundell P 5709 Radiography Mk. VI	0562	Technical disc of PVC, 134x3 mm� (1954) Front Scales: 1)� 2)� =� 3)� 4)� 5)� 6)� 7)� 8)� =� 9)� 10)
Blundell P 5731 Note Tracker	3426	Music slide chart of plastic, 280x115x1.5 mm Front Scales: Many scales, Back Scales: Many scales
Blundell P 5798 BMI Calculator	0563	Medical disc of PVC, 95x1 mm� (1992) Front Scales: 1)� =� 2)� =� 3)
Blundell P 5852� Fuel Oil Preheat	0564	Technical disc of PVC, 156x1 mm� (1993) Front Scales: 1)� =� 2)� 3)� =� 4)� 5)� =� 6)� 7)� 8)� 9)� 10) Back Scales: 11)� =� 9 windows
Blundell P 5897 Dalton Aviation Computer	0565	Aviation disc of PVC, 115x134x6 mm Front Scales: 1)� 2)� 3)� =� 4)� 5)� +� 4 windows + 6)� 7) Back Scales: 8)� =� 9)� 10)
Blundell P 5931 Zeneca	3162	Log/tech disc of plastic, 89x210x1 mm
Blundell P 5939� Metric Imperial Price Converter	0502	Technical slide chart of PVC, 190x103x2.5 mm� (1995) Front Scales: Side A: 1)� =� 2)� =� 3)� =� 4)� =� 5)� =� 6)� =� 7)� =� 8)� =, Back Scales: Side B: 9)� =� 10)� =� 11)� =� 12)� =� 13)� =� 14)� =� 15)� =� 16)� =
Blundell P 8	0519	Generic slide rule of bakelite, 159x255x5 mm� (1947-1949) Front Scales: A� =� B� CI� C� =� D Back Scales: 6inch� =� =� 15cm
Blundell Paper Machine Production Calculator	3913	Log/tech slide rule of plastic, 232x52.5x2.5 mm
Blundell Photographic Interpreters MK II	2908	Photography slide rule of PVC, 335x50x5 mm Front Scales: A� =� B� CI� ST� C� =� D� S� TA� TB Back Scales: 1)� 2)� =� 3)� 4)� 5)� =� 6)
Blundell Popular no. 1	3155	Generic slide rule of PVC, 284x42x3 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T
Blundell Protractor, 6 inch Ivorine 'A' MK. IV	3146	Technical protractor of ivory/metal, 152x51x2 mm Front Scales: Various see picture Back Scales: Various see picture
Blundell Radiac no. 1 MK 2	2781	Military disc of PVC, 126x1.5 mm Front Scales: 1)� =� 2)� =� 3)
Blundell Radiac Pat. No. 644944	0504	Log/tech slide rule of PVC, 300x66.5x9 mm Front Scales: =� A1� A2� =� B1� B2� =� C1� C2� =� D Back Scales: =� F1� F2� =� =� E1� E2� =
Blundell Reproduction	0569	Log/tech disc of PVC, 126x1.3 mm Front Scales: A� =� B� 1)
Blundell S 100	3833	Generic slide rule of plastic, 139.5x27.5x4 mm Front Scales: A� =� B� C� =� D
Blundell S 125	3829	Generic slide rule of plastic, 151x32x2 mm Front Scales: CUBE� A� =� B� REC.� C� =� D� MAN.
Blundell S 143 - 10	0528	Generic slide rule of PVC, 305x36x4 mm� (1970-1982) Front Scales: K� A� =� B� CI� C� =� D� L
Blundell S 143 - 10 (Factory model)	3163	For fabrication plate of metal, 1250x250x3 mm� (1970-1982) Front Scales: K� A� =� B� CI� C� =� D� L
Blundell S 143 - 20	0529	Generic slide rule of PVC, 172x36x4 mm Front Scales: K� A� =� B� CI� C� =� D� L
Blundell S 143 / 5 E	2919	Generic slide rule of PVC, 149x27x2.8 mm� (1970-1982) Front Scales: K� A� =� B� CI� C� =� D� L
Blundell S 150 - 10	0495	Generic slide rule of PVC, 306x36.8x4 mm Front Scales: S� T� A� =� B� CI� C� =� D� K� L
Blundell S 150 - 10 P (Projection)	2988	Generic projection of perspex, 366x56x5 mm Front Scales: S� T� A� =� B� CI� C� =� D� K� L
Blundell S 150 - 10 Staedtler	3257	Generic slide rule of PVC
Blundell S 150 - 20	0530	Generic slide rule of PVC, 174x37x4 mm� (1970-1982) Front Scales: S� T� A� =� B� CI� C� =� D� K� L
Blundell Shackleton MR MK. 3	2344	Aviation slide rule of bakeliteplastic, 344x64.5x11 mm� (1978) Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell Students no. 1	3149	Generic slide rule of co-polymer
Blundell T 11 Technicians	2954	Slide rule of co-polymer
Blundell T 12 Technicians	2955	Generic slide rule of PVC
Blundell T 20 Technicians	2969	Generic slide rule of bakeliteco-polymer
Blundell T 50 Janus	2910	Generic slide rule of PVC, 341x45x5.2 mm� (1952 1957-1965) Front Scales: L� P� A� =� B� T� ST� S� =� D� DI� K, Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Blundell Tank Capacity Computer	3409	Log/tech slide chart of plastic, 187x48x2.2 mm Front Scales: 1)� 2)� =� 3)� 4)� =� 5)
Blundell Turning guide Mitsubishi Carbide	3161	Technical disc of plastic, 146x1 mm Front Scales: 1)� 2)� 3)� 4)
Blundell U 7	2968	Generic slide rule of bakelite
Blundell V.F. 0129	0527	Generic slide rule of PVC, 285x36.5x6.4 mm Front Scales: 10inch� /� A =� B� C� =� D Back Scales: =� S� ST� T� =
Blundell Valve Sizing and Flow Foxboro	0506	Technical slide rule of PVC, 151x49x3.5 mm Front Scales: A)� =� B)� C)� =� E), Back Scales: =� B� C� =
Blundell Vector Slide Rule	3419	Mathematics complex of plastic/metal
Blundell Victor K MK. 2	2636	Aviation slide rule of PVC, 342x63x10 mm Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell Vulcan B. MK. 2 C.G.	0508	Aviation slide rule of bakeliteplastic, 342x63x10 mm Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell Vulcan B/K. MK. 2 C.G.	0509	Aviation slide rule of bakeliteplastic, 342x63x10 mm Front Scales: Many scales see picture Back Scales: Many scales see picture page 2
Blundell W.H. Smith Log - log trig	0501	Generic slide rule of PVC, 330x46x4 mm� (1970-1982) Front Scales: K� LL2� LL3� A� =� B� L� CI� C� = D� S� T ST
Blundell W.H. Smith Rietz	0507	Generic slide rule of PVC, 330x47x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� T� ST
Blundell W.H. Smith Simplified Rietz	2911	Generic slide rule of PVC, 173x36x4.2 mm� (1970-1982) Front Scales: K� A� =� B� CI� C� =� D� L
Board Plotting M10	0570	Aviation disc of plastic, 222x222x3 mm
Bofa Boortypen	5275	Technical slide chart of cardboard, 168x79x1.3 mm Front Scales: See Picture, Back Scales: See Picture
Bofa Schuiftabel voor toerentallen per minuut	5258	Technical slide chart of cardboard, 169x78x1.4 mm Front Scales: See Picture, Back Scales: See Picture
Bols Cocktail slide	5331	Drinks slide chart of plastic, 107x220x1.3 mm Front Scales: See Picture, Back Scales: See Picture
Bolts UNC Normal en Heavy Series 1955	0571	By Mesc, technical slide chart of cardboard, 223x97x1.2 mm� (1955)
Bolts UNC Normal en Heavy Series 1962	0572	By Mesc, technical slide chart of plastic, 186x93x1.8 mm� (1962)
Bombing Angle Computor� 9 / 3602	0573	Aviation disc of plastic, 204x204x3 mm� (1959) Front Scales: 1)� =� 2)� =� 3)� =� 4)
Bonwitt Patent 19639/43	5745	Generic disc of plastic, 127 mm Front Scales: LL2� A� =� B� C �=� D� LL3 Back Scales: 5�Sin1� Sin2� 5�Tg1� Tg2
Boots Ringplan Standard 5"	2814	Generic slide rule of plastic, 150x37x4.3 mm Front Scales: 13cm� /� A� =� B� CI� C� =� D� K� \� 5inch Back Scales: =� S� L� T� =
Bosch Hydraulics	5790	Log/tech slide chart
Bosch Pneumatic	5791	Log/tech slide chart
Bosch R�gle � calcule pour condensateurs	3907	Log/tech disc of plastic, 99.5x1.5 mm
Brand Charles concrete	3027	Concrete disc of perspex, 270x7 mm Front Scales: 1)� 2)� 3), Back Scales: 4)� 5)� 6) 7)� 8)
Breitling 1884	5643	Nautical disc
Brigon Reglette (Kalkulator)	0575	Log/tech slide chart of plastic, 226x69x3 mm
Brinkman Asea control	5276	Technical slide chart of plastic/cardboard, 218x69x1.3 mm Front Scales: See Picture, Back Scales: See Picture
Brinkman Ticino Motor beveiligings schakelaars	5253	Electrical slide chart of cardboard, 208x73x1 mm Front Scales: See Picture, Back Scales: See Picture
Bristol Hercules 100 Issue 1 Fuel Consumption Indicator	0576	Aviation disc of metal, 157x172x3 mm Front Scales: 1)� 2)� 3)� =� 4)� 5)� 6)� 7)� 8)� =� 9)
British Engraving and Nameplate MFG Cambridge University Aircraft Navigation	3874	Aviation disc of celluloid, 107x1.5 mm
British made Protractor	3435	Technical protractor of ivory, 153x44x1 mm Front Scales: 14cm� Various� 5inch, Back Scales: Various
British Riding Club Vaccination Calculator	5407	Medical slide rule of plastic, 108x1 mm� (1997) Front Scales: Months
British Slide Rule Company Technical Standard, The� Slide Rule British Made	2070	Generic slide rule of wood/plastic, 301x45x14 mm Front Scales: 10inch� /� M� A� =� B� C� =� D� N� \� 27cm Back Scales: =� S� S.T.� T� =
Brown Boveri Motorentechniek	5270	Technical slide chart of plastic/cardboard, 210x78x1.2 mm Front Scales: See Picture, Back Scales: See Picture
Brown Boveri Schieber f�r Motoren	0579	Technical disc of metal, 102x1.2 mm Front Scales: 1)� =� 2)� 3)� =� 4)� =� 5) Back Scales: 6)� =� 8)� 9)� 10)� 11)
Bruning 2401	5777	Generic slide rule of plastic
Bruning 2420	0581	By Charles Brunning, generic slide rule of plastic, 279x40x9 mm Front Scales: 10inch� /� A� =� B� CI� C� =� D� K� \� 25cm Back Scales: =� S� L� T� =
Bundesministerium Benzinverbrauchstest	5322	Technical slide chart of cardboard, 110x150x0.8 mm Front Scales: See Picture, Back Scales: See Picture
Bush Screw Conveyer Calculator	2750	Log/tech slide chart of plastic, 266x115x2 mm
Calculex Addiator	5259	Calculate slide chart of plastic, 100x171x3 mm Front Scales: See Picture, Back Scales: See Picture
Calculigraphe H.C. Syst�me Boucher	0582	Generic watch type of metal/glass, 57x17 mm Front Scales: L� n3, Back Scales: S� n� n2
Calendar for 12 years 1978-1989	0583	Other disc of brass, 48x0.8 mm� (1978) Front Scales: 1)� 2)� =� 3)� 4)
Cameron Flange	0585	Technical slide chart of cardboard, 254x127 mm� (1988)
Campina BTW 16% Tabel	0586	Financial table of plastic, 110x155x1 mm
Canton Lautsprecher Wahlscheibe	5420	Electrical disc of cardboard, 180x0.5 mm Front Scales: Watt Sinus� =� GL series� m2
Carbic Otis� King's Calculator Model K	0588	Generic cylinder of metal/chrome, 24x260 mm Front Scales: C� D� L� Scale 423 and 414
Carbic Otis� King's Calculator Model L	0587	Generic cylinder of metal/chrome, 24x260 mm Front Scales: C� D� L� Scale 429 and 430
Cardiac Pacemakers Physiologic Parameters Calculator	5305	Medical slide chart of cardboard, 213x97x3.5 mm� (1984) Front Scales: See Picture Back Scales: See Picture
Carroll� AN 5834-1 Stock no. 6217 - FAA 46	0591	Aviation disc of metal, 125x284x10 mm Front Scales: 1)� =� 2)� 3)� 4)� + 3 windows Back Scales: 5)� =� 6)
Carroll MB - 2A	0590	Aviation disc of plastic, 108x35 mm Front Scales: 1)� =� 2)� =� 3)� =� 4)� 5)� 6)� 7)� + 4 windows Back Scales: 5 windows
Casella Anderson's Improved Slide Rule	2772	Generic slide rule of wood/celluloid, 364x49x10.5 mm Front Scales: 300 mm� [� 0� 1� 2� 3� =� 0� 1� 2� 3� =� 0� 1� 2� 3� 4� 5� 6� 7� ]� 12inch
Cassani Marcantoni Milano 25 R	0592	Generic slide rule of plastic, 297x37.6x7.5 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 10inch Back Scales: =� S� S&T� T� =
Celanese (Amcel) Circular Slide Rule for Rodmaking Calculations	3735	Log/tech disc of plastic, 184 mm Front Scales: C� =� D� + others in windows Back Scales: Graphs
Cellograf Leitz	3474	Photography disc of plastic, 75x100 mm
Cellograf Peritrate 80	5377	Medical slide rule of plastic, 140x82x0.8 mm Front Scales: See Picture, Back Scales: See Picture
Cellograf Sace Kabelschutz	5363	Technical slide chart of plastic, 295x151x1.8 mm Front Scales: See Picture, Back Scales: See Picture
Cellograf Sace Regle a Calcule	5330	Electrical slide chart of plastic, 295x86x1.6 mm Front Scales: See Picture, Back Scales: See Picture
Chadburn Farmar's Spirit	1190	Log/tech slide rule of all wood, 581x57x6 mm Front Scales: diverse, Back Scales: diverse
Chemstrand	3248	Generic slide rule of plastic, 329x48x4 mm Front Scales: L� K� A� =� B� T� ST� S� =� D� DI� P Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Chinese 1203	3695	By 4th factory Shanga�, generic slide rule of plastic, 144x31.5x3.5 mm Front Scales: K� A� =� B� CI� L� C� =� D� ST Back Scales: =� S� T� =
Chinese no. 1003	3247	Generic slide rule of plastic, 349x55x5 mm Front Scales: lni-2� lni-1� lni0� lni1� DF� =� CF� CIF� H0� H1� H0� CI� C� =� D� ln1� ln0� ln-1� ln-2 Back Scales: sh0� sh1� cu1� cu2� cu3� =� lg1-1� tg0� tg1� tg2� sin0� srt-1� C� =� D� sq2� sq1� th0� ch1
Chrysler Psychrometric	0594	Log/tech slide rule of plastic, 191x29x3 mm Front Scales: 1)� 2)� =� 3)� 4)� =� 5)� 6)
CIBA E.C.G. Calculator.	0595	Medical slide chart of plastic, 164x40x1.2 mm Front Scales: 10cm, Back Scales: =� 5cm� 1)� 2)� =
Ciba Obstetric Calculator The Medical Slyd-Rul	5376	Conversion slide chart of plastic, 140x35x1.6 mm Front Scales: See Picture, Back Scales: See Picture
Clarkson Snijsnelheden en aanzetten voor Autolock type "S"	0600	Technical slide chart of cardboard, 76x154x1.2 mm
Clarkson Voedings- en Snelheidstabel voor freesbanken	5381	Technical slide chart of cardboard, 76x153x1 mm Front Scales: See Picture Back Scales: See Picture
Classic	0601	Generic slide rule of wood/plastic, 293x32.7x10 mm Front Scales: 10inch� / L� A� =� B� S� T� C� =� D� L� ]� 26cm
Classic Series 1	0603	Generic slide rule of wood/plastic, 284x29.5x10 mm Front Scales: 10inch� /� A� =� B� C� =� D� ]� 26cm
Classic Series 11	0606	Generic slide rule of wood/plastic, 291 x32x10 mm Front Scales: 10inch� /� LL2� A� =� B� C� =� D� LL3� ]� 26cm
Clemons Simplified Flight Calculator	0609	Aviation disc of plastic, 246x89x15 mm� (1942) Front Scales: 1) - 7)
Colard Inc. Conversion Calculator	5409	Conversion disc of cardboard, 127x1 mm Front Scales: See Picture
Collard Motor/Price Selector B - 111	2849	By Miller Dial, technical slide chart of cardboard, 305x128x2 mm
Colour code Resistors and Capacitors	1548	Technical slide chart of plastic, 170x46x3 mm
Combivent Lung Function Computer	5271	Medical slide chart of plastic, 166x86x0.9 mm� (1981) Front Scales: See Picture, Back Scales: See Picture
Comfort Schornsteinverlust	5408	Log/tech disc of cardboard, 118x1 mm� (1961) Front Scales: %%� Temp �C �=� % CO2
Commonwealth Energy Cost Selector	5272	Technical slide chart of cardboard, 101x227x0.8 mm� (1986) Front Scales: See Picture, Back Scales: See Picture
Compass 505	5091	Generic slide rule of plastic/metal
Computer and Slide Charts Steam Loss Calculator	5264	Log/tech slide chart of plastic, 161x80x0.7 mm Front Scales: See Picture, Back Scales: See Picture
Concise 27 N	5647	Generic disc of plastic
Concise 270 Circular	2797	Generic disc of plastic, 101x3 mm Front Scales: L� D� =� C� CI� A� K Back Scales: DI� D� =� S� T1� T2
Concise 28	0615	Generic disc of plastic, 80x2.4 mm Front Scales: D� =� C� CI� A� K
Concise 28 Gas	0617	Generic disc of plastic, 80x2.4 mm Front Scales: D� =� C� CI� A� K
Concise 28 N	0620	Generic disc of plastic, 84x2 mm Front Scales: D� =� C� CI� A� K
Concise 300	3053	Generic disc of plastic, 110x3 mm� (1961) Front Scales: K� A� D� =� C� CI� B� L Back Scales: LL3� LL2� D� =� C� S� T1� T2� ST
Concise 32 and calender	0623	Generic disc of plastic, 50x70x1.5 mm� (1960) Front Scales: C� =� D� 1)� 2)
Concise 320 Circular	0625	Generic disc of plastic, 100x2 mm Front Scales: D� =� C� CI� A� K, Back Scales: 1)
Concise 380� Radio Computer	5035	Log/tech disc, 110 mm Front Scales: See picture, Back Scales: See picture
Concise 380 Radio Computer	3674	Technical disc of plastic, 110 mm Front Scales: various scales, Back Scales: various scales
Concise 480 Japanese Characters	5645	Generic disc
Concise 600	0629	Generic disc of plastic, 75x110x2.5 mm� (1974) Front Scales: D� =� C� CI� L� A� S� T� K� 4IN� 10CM
Concise 700	5036	Generic disc of plastic, 75x110 mm Front Scales: 4inch� D� =� C� CI� L� A� S� T� K 10cm
Concise Bitumen Volume Calculator	3942	Technical disc of plastic
Concise CTCS 552	0626	Generic disc of plastic, 75x110 mm Front Scales: D� =� C� CI� L� A� K� 4IN 10CM
Concise Multi Calculator by Sama & Etani With Addiator	5054	Generic disc
Concise Radiological Tables and Circular Slide Rule	3669	Medical disc of plastic
Concise Stadia Computer	3191	Surveying disc of plastic, 95 mm Front Scales: D� =� C� C'� S� T1� T2� ST Back Scales: D� =� SINCOS� COS^2
Concise Stadia Computer	3834	Generic disc of plastic, 96.5x3 mm Front Scales: D� =� C� S� T� S&T� L Back Scales: D� =� sincos cos2� plus 2 scales 40'-5� and 5'-40'
Concise Type E	5037	Generic disc of plastic
Controller	0631	Generic disc of metal, 75x3.5 mm Front Scales: C� =� D� n2� n3, Back Scales: 20cm
Controller 110 R	0635	Generic disc of metal, 110x3.5 mm� (1961) Front Scales: C� =� D� CI� n2, Back Scales: 30cm
Controller 200 R	0636	Generic disc of metal, 220x3.5 mm� (1961) Front Scales: C� =� D� CI �n2, Back Scales: 60cm
Controller 75 R	0632	Generic disc of metal, 75x3.5 mm� (1961) Front Scales: C� =� D� CI� n2, Back Scales: 20cm
Controller 75 R	5445	Generic disc of metal, 74x2 mm Front Scales: C� =� D� CI� n2
Cook Maker London gauging	0638	Alcohol slide rule of all wood, 304x29x19.5 mm� (After 1824) Front Scales: Many scales see picture Back Scales: Many scales see picture
Cosmicar / Pentax CCTV Lens Selector	3905	By Datalyzer slide charts, photography disc of plastic/paper, 89.5x1.5 mm� (1955)
Cox & Stevens A - 30 & A - 30A Load Adjuster	3876	Aviation slide rule of bakelite, 310x44x10 mm
Cox & Stevens AT- 7, SNB- 2	0643	Aviation slide rule of plastic, 310x44x10 mm
Cox & Stevens B- 24 D E G H & J	0649	Aviation slide rule of vinylite, 310x44x10 mm
Cox & Stevens B 26	0652	Aviation slide rule of wood/plastic, 311x44.5x9.5 mm
Cox & Stevens B- 29 & B- 29A	0655	Aviation slide rule of plastic, 310x44x10 mm
Cox & Stevens B- 47 B & E	0659	Aviation slide rule of plastic, 310x44x10 mm
Cox & Stevens CG- 4A LRW- 1 Load Adjuster	0641	Aviation slide rule of vinylite, 310x44x10 mm
Cox & Stevens Intercept Off. Equipm. Type 1	2700	Aviation disc of perspex
Crowe Name plate Crowe Computer True Airspeed A.C. Type G - 1	0668	Aviation disc of plastic, 204x3 mm� (1945) Front Scales: 1)� 2)� =� 3)� 4)
Cruver Computer Altitude Correction AN 5837- 1	0670	Aviation disc of plastic, 203x3 mm Front Scales: 1)� 2)� =� 3)� 4)
Cruver Computer True Airspeed A.C. Type G - 1	3870	Aviation disc of plastic, 204x3 mm� (1945) Front Scales: 1)� 2)� =� 3)� 4)
Cruver Time Distance Type D- 4	0669	Aviation disc of plastic, 108x2 mm Front Scales: 1)� =� 2)� 3)� + window 1 Back Scales: 4)� 5)� = 6)� 7)� + window 2
CThru PS 69 Proportional Scale	0671	By C Thru, log/tech disc of plastic, 127x0.8 mm Front Scales: A� =� B� =� 1)� 2)
CThru S 889	0675	By C Thru, generic slide rule of plastic, 315x42x4 mm Front Scales: LLO1� K� A� =� B� T� ST� S� =� D� L� LL1 Back Scales: LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
CThru S 96 Circular 6"	0673	By C Thru, generic disc of plastic, 152x1.3 mm Front Scales: K� D� =� C� B� =� A�� =� CI� =� L Back Scales: S� L� T
CTIP 399 Valve chart	2851	Technical slide chart of cardboard/plastic, 275x158x1 mm� (1960)
CTIP 511 Valve chart	2852	Technical slide chart of cardboard/plastic, 275x150x1 mm� (1968)
CTIP 512 Pipe chart	2853	Technical slide chart of cardboard/plastic, 275x166x1 mm� (1960)
CTIP Conversion chart	2850	Conversion slide chart of cardboard/plastic, 285x159x1 mm� (1960)
CTM Kreisrechenscheibe	0676	Military disc of metal, 220x5 mm� (1969-1980) Front Scales: tg� tg� k� =� Sin� Sin� k
Cultuurtechniek	3011	Technical rule of all wood, 750x50x15 mm Front Scales: 1)� 2)� 3)� 4)� 5)� 6) Back Scales: 7)� 8)� 9)� 10)� 11)� 12)
Curtec Comptoir des Lamines a Froid & Toles	5367	Technical slide chart of cardboard, 261x76x1 mm� (1955) Front Scales: See Picture, Back Scales: See Picture
Curtec Masoneilan Camflex Ventil	5448	Technical slide chart of cardboard, 320x120x1 mm Front Scales: see picture, Back Scales: see picture
CWI Breda, Rekenplank voor indirect vuur met tanks	0679	Military disc of plastic, 227x450x5 mm
CWI Correctieschijf M 10 CWI - R 522 .78.19.4	0678	Military disc of plastic, 217x217x4 mm Front Scales: 8cm� 7inch� =� 1)� 2)� 3) �=� 4)� 5)
Dakadvies Recticel bouwfysikaschijf met Eurothane	5304	By buro Dakadvies, technical slide chart of cardboard, 187x187x0.5 mm Front Scales: See Picture, Back Scales: See Picture
Dalex Gauger	3005	By Gaskell & Chambers Ltd, alcohol rule no cursor no slide of plastic, 80x347 mm Front Scales: 1)� 2)� 3)� 4), Back Scales: 5)� 6)� 7)� 8)� 9)� 10)� 11)
Damien Maurice	0681	Generic slide rule of aluminium, 280x45x8 mm� (1946) Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� \� 10inch Back Scales: =� S� S&T� T� =
Damien Universal Ruler	3953	Generic slide rule of aluminium
Danfoss Calculator	3431	By Cretex, log/tech slide chart of plastic, 227v80x2 mm Front Scales: Many scales, Back Scales: Many scales
Danfoss SI Schieber and K�ltemittel Schieber	3430	Log/tech slide chart of plastic, 240x88x2 mm Front Scales: Many scales, Back Scales: Many scales
Daniel Metric Converter	0684	Log/conv slide chart of plastic, 202x85x2.5 mm Back Scales: C� =� D
Dargue Brothers Simplon Major Log Log	2802	Generic slide rule of wood/plastic, 307x35x8.5 mm Front Scales: LU� A� =� B� CI� C� =� D� LL Back Scales: =� A� SINE� TAN� D� =� L� D
Dargue Brothers Simplon Primary Log Log	3073	Generic slide rule of wood/plastic, 306x35x7 mm Front Scales: LU� A� =� B� CI� C� =� D� LL
Dargue Brothers Simplon XL - 10	2808	Generic slide rule of wood/plastic, 322x359 mm Front Scales: LU� A� =� B� CI� C� =� D� LL Back Scales: A� SINE� L� TAN� D
Datalizer Air-Gas� and Steam-Liquid Orifice Flow Calculator	2996	Log/tech slide chart of cardboard, 294x107x2 mm� (1977) Front Scales: many scales Back Scales: many scales
Datalizer Charts Annubar Flow Calculator	2824	Log/tech slide chart of cardboard, 254x152x3 mm� (1979)
Datalizer Slide Charts HVAC Metrics Conversion factors	5282	Conversion slide chart of cardboard, 228x80x2.2 mm� (1977) Front Scales: See Picture Back Scales: See Picture
Datalizer Tub Door Opening Guide	5328	Technical slide chart of cardboard, 235x101x2.1 mm Front Scales: See Picture, Back Scales: See Picture
Datalizer Water Suluble Metalworking Fluid Selector	5327	Technical slide chart of cardboard, 234x102x2.2 mm Front Scales: See Picture Back Scales: See Picture
Davis & Son D.R.P. 126499	0689	Generic slide rule of wood/plastic, 270x32x10 mm Front Scales: 26cm� /� A� =� B� C� =� D� ]� 10inch� #11-20inch# Back Scales: =� S� L� T� =
Davis & Son Glider	0691	Generic slide rule of wood/metal, 303x38.5x10.5 mm Front Scales: 28cm� /� F� A� =� B� C� =� D� E� ]� 11inch Back Scales: =� S� T� =
Dechesne	0692	Generic slide rule of cardboard, 270x36x4.4 mm Front Scales: K� A� =� B� C� =� D� L, Back Scales: 1)� T
Degussa Thermoelemente Widerstandsthermometer	0693	Log/tech slide rule of plastic, 228x43x3 mm Front Scales: 21cm� A� =� B� C� =� D� 8Zoll Back Scales: 1)� 2)� 3)� 4)� 5)� 6)� 7)
Delta Lloyd Benzineverbruik	0694	Technical disc of plastic, 90x0.3 mm Front Scales: 1)� 2)� =� 3)
Demoulin Photom�tre Platos	3486	Photography disc of celluloid, 69x2 mm Front Scales: Distance� =� F
Dennert� & Pape	0127	Generic slide rule of wood/celluloid, 150x33x10 mm Front Scales: 14cm� /� A� =� B� C� =� D� ]� 15cm� #17-28cm) Back Scales: =� S� L� T� =
Dennert & Pape	0698	Generic slide rule of wood/plastic, 270x31.4x10 mm Front Scales: 26cm� /� A� =� B� C� =� D� ]� 27cm�� #29-52cm# Back Scales: =� S� L� T� =
Dennert & Pape	0702	Generic slide rule of wood/plastic, 150x21x6 mm Front Scales: A� =� B� C =� D Back Scales: 13cm� =� S� L� T� =� 5inch
Dennert & Pape	2687	Generic slide rule of wood/plastic, 178x32x10 mm Front Scales: 15cm� /� K� A� =� B� CI� C� =� D� L� ]� 18cm Back Scales: =� S� S+T� T� =
Dennert & Pape 25	0695	Generic slide rule of wood/plastic, 150x26x6.5 mm Front Scales: A� =� B� C� =� D Back Scales: 13cm� =� S� L� T� =� 5inch
Dennert & Pape 27	0721	Generic slide rule of wood/plastic, 149x26.6x6.7 mm Front Scales: A� = B� C� =� D Back Scales: 13cm� =� S� L� T� =� 5inch
Dennert & Pape 28	0722	Generic slide rule of wood/plastic, 149x26.6x6.7 mm Front Scales: A� = B� C� =� D Back Scales: 13cm� =� S� L� T� =� 5inch
Dennert & Pape 29	0723	Generic slide rule of wood/plastic, 151x26x7 mm Front Scales: A� =� B� C� =� D Back Scales: 13 cm� =� S� L� T� =� 5inch
Dennert & Pape 41 Rohr Druckverlust	0705	Log/tech slide rule of wood/plastic, 280x37x10 mm Front Scales: 25cm� /� 1)� 2)� =� 3)� 4)� =� 5)� \� 10inch�� #28-56cm# Back Scales: =� 6)� 7)� =
Dennert & Pape D 8. 28 Rietz	2678	Generic slide rule of wood/plastic, 280x41x12 mm Front Scales: 25cm� /� F� A� =� B� C� =� D� E� ]� 11inch Back Scales: =� S� S+T� T� =
Dennert & Pape Dreieckrechner Plath DR2 Okt.1938	3031	Aviation disc of plastic/metal, 150x8 mm� (Oct. 1938) Front Scales: 1)� =� 2) Back Scales: 3)� =� 4)� 5)� =� 6)
Dennert & Pape Dreieckrechner Plath DR3 Tp April 1943	3006	Aviation disc of plastic/metal, 150x9 mm� (April 1943) Front Scales: 1)� =� 2) Back Scales: 3)� 4)� 5)� =� 6)� 7)� =� 8)� 9)
Dennert & Pape Dreieckrechner Plath without code	2820	Aviation disc of metal/plastic, 149x9 mm Front Scales: 1)� =� 2)� 3) Back Scales: 4)� 5)� =� 6)� 6)� =� 7)
Dennert & Pape Rietz	0699	Generic slide rule of wood/plastic, 280x40x11 mm Front Scales: 25cm� /� F� A� =� B� C� =� D�� E� ]� 1:25 Back Scales: =� S� T� =
Dennert & Pape Rietz	0700	Generic slide rule of wood/plastic, 280x40x11 mm Front Scales: 25cm� /� F� A� =� B� C� =� D�� E� ]� 1:25 Back Scales: =� S� T� =
Dennert & Pape Rietz	3476	Generic slide rule of wood/plastic, 280x40x11 mm Front Scales: 25cm� /� F� A� =� B� C� =� D� E� ]� 1:25 Back Scales: =� S� T� =
Density meter oil petroleum etc	3656	Technical slide chart of bakelite, 80x244x2 mm
Deuspa 525	2857	Generic slide rule of plastic, 150x27x3.2 mm Front Scales: A� = B� CI� C� = D� K
DEW Tableau des Poids pour Aciers en Barres et T�les	5289	Technical slide chart of cardboard, 250x94x1.8 mm� (1965) Front Scales: See Picture Back Scales: See Picture
DHL Time selector	5309	Conversion disc of cardboard, 112x150x0.8 mm Front Scales: See Picture, Back Scales: See Picture
Diefenbach Waterleiding	0728	Technical slide rule of plastic, 188x52x2.5 mm Front Scales: Q� =� Di� L� Dv� =� H� v
Dietzgen	0729	Generic slide rule of plastic, 152x34.8x5 mm Front Scales: 5inch� /� K� A� =� B� CI� C� =� D� ]� 12.5cm Back Scales: =� S� L� T� =
Dietzgen 045517 (only one side)	5778	Generic slide rule of plastic
Dietzgen 1734	3618	Generic slide rule of wood/plastic
Dietzgen 1738 (only back side)	3619	Generic slide rule of white paint on magnesium
Dietzgen 1759 B	3909	Generic slide rule of wood/plastic, 267x34x12 mm Front Scales: 10in� /� A� =� B� R� C� =� D� ]� E Back Scales: =� S� L� T� =
Dietzgen 1776 Redirule	3217	Generic slide rule of plastic, 168x27x4 mm� (1959) Front Scales: K� A� =� B� T� ST� S� =� D� DI Back Scales: DF� =� CF� CIF� CI� C� =� D� L
Dietzgen Berkeley AA - 2046 Rotarul	0736	Generic disc of plastic, 130x4 mm� (1933) Front Scales: K� A� D� =� C� CI� CIF� S� CS� ST� T� CT� G� B� F/i Back Scales: 1-100 in 4circles� DLL� V2� =� V1� 1-100 in 4circles� LL3� LL2� LL1� LL%� L
Dietzgen Clear Scale	5503	Generic slide rule of plastic, 324x41x3.5 mm� (Between 1959 and 1972) Front Scales: L� K� A�� =� B� CI� C� =� D� LL1� LL2� LL3 Back Scales: T1� T2� DF� =� CF� CIF� CI� C� =� D� S� ST
Dikema and Chabot Hoekstaal	5390	Technical slide chart of plastic, 209x44x1 mm Front Scales: See Picture, Back Scales: See Picture
Dikema en Chabot Hoekstaal Afmetingen	0737	Technical slide chart of plastic, 208x45x1 mm
Dimier� Electric	0738	Generic slide rule of bone, 147x32.42.8 mm Front Scales: KW� A� =� B� C� =� CV� #DYN-MOT# Back Scales: =� S� �� =� 15cm
Director Instrument	2858	Nautical disc of perspex, 290x102x2 mm Front Scales: 1)� 2)� =� 10inch� 3)� 4)
Diwa (621) 601	0782	Generic slide rule of plastic, 150x31.5x3.7 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Diwa 1 - 1 Rietz Ideal	0742	Generic slide rule of plastic, 295x46.8x5.5 mm Front Scales: 28cm� /� L� K� A� =� B� CI� C� =� D� S� ST� T
Diwa 201 Technical	0747	Generic slide rule of wood/plastic, 295x39x11.5 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25 Back Scales: =� S� S&T� T� =
Diwa 221 Reinforced concrete	0757	Concrete slide rule of wood/plastic, 295x39x11 mm Front Scales: 27cm� /� 1)2)� A� =� B� 3)� CI� C� =� D� L� ]� K Back Scales: =� S� S&T� T� =
Diwa 301 Rietz	0758	Generic slide rule of wood/plastic, 294x38.4x8.4 mm Front Scales: 25cm 10inch�� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Diwa 351 Darmstadt Elegant	0762	Generic slide rule of wood/plastic, 295x47.5x8 mm Front Scales: 25cm 10inch�� /� L� K� A� =� B� CI� C� =� D� P� tg.� Sin., Back Scales: =� LL1� LL2� LL3� =
Diwa 501 - 1 Rietz	0766	Generic slide rule of plastic, 295x37.4x5.5 mm Front Scales: 28cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Diwa 501 Rietz Divinyl	0764	Generic slide rule of plastic, 295x38x5.5 mm� (1956) Front Scales: 25cm 10inch� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Diwa 511 Electro	0768	Electrical slide rule of plastic, 295x47x6 mm Front Scales: 25cm 10inch�� /� Dynamo Motor� K� A� =� B� CI� C� =� D� Volt� tg.� Sin., Back Scales: =� LL1� LL2� LL3� =
Diwa 541 - 1 Businessman	0772	Generic slide rule of plastic, 295x37.5x5.5 mm Front Scales: 28cm� /� sh.d� DF� =� CF� %� CI� C� =� D� �
Diwa 541 Businessman	0771	Generic slide rule of plastic, 295x38x6 mm Front Scales: 25cm 10inch� /� sh,d� DF� =� CF� %� R�� C� =� D� �
Diwa 601	0778	Generic slide rule of plastic, 150x32.5x3.7 mm Front Scales: 11cm 4inch� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Diwa 621	0788	Generic slide rule of plastic, 150x31.5x3.7 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
DIWA 631	5737	Generic slide rule of plastic
Diwa 661	0618	Generic slide rule of plastic, 150x32x3.6 mm Front Scales: LL2� A� =� B� CI� C� =� D� LL3 Back Scales: =� S� S&T� T� =
Diwa 701	0790	Generic slide rule of plastic, 295x44x3.5 mm Front Scales: 25cm� L� K� A� =� B� CI� C� =� D� tg.� Cin.� 10inch
Diwa 710 Teknilog	0794	Generic slide rule of plastic, 332x48x4.2 mm Front Scales: LL01� LL02� LL03� A� =� B� L� K� C� =� D� LL3� LL2� LL1 Back Scales: LL00� ST� T� DF� =� CF� CIF� CI� C� =� D� P� S� LL0
Diwa 720 Polylog	0795	Generic slide rule of plastic, 335x48x4 mm Front Scales: LL00� L� K� A� =� B� S� ST� T� C� =� D� DI� P� LL0, Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Diwa 741 Businessman Export	0797	Generic slide rule of plastic, 332x44x3.8 mm� (1952) Front Scales: A� DF� =� CF� %� CI� C� =� D� K� L Back Scales: 25cm� =� =� 8inch
Diwa without number, with 400�	5743	Generic slide rule of wood/celluloid
Domnick Geveke Perslucht Energieverlies Berekeningschijf	5274	Log/tech slide chart of cardboard, 213x80x1.3 mm� (1996) Front Scales: See Picture Back Scales: See Picture
Draper & Co Carpenters rule	0801	Generic 2 fold rule of all wood, 608x21.4x3.8 mm Front Scales: C� =� D� =� 1), Back Scales: =� 12inch� =
Drilco Joint Identifier	3957	Technical rule of metal, 181x26x1 mm
Dring & Fage Customs	0804	Generic slide rule of all wood, 915x47x6 mm Front Scales: E� =� C� B� =� A, Back Scales: E� =� C� B� =� A
Dring & Fage Improved Saccharometer	0805	Generic slide rule of wood/ivory/brass, 336x46x4 mm Front Scales: 1)� 2)� 3)� 4)� B� =� B� A� =� A� 5)� 6)� 7)� 8) Back Scales: 9)� 10)� 11)� 12)� D� =� D� C� =� C� 13)� 14)� 15)� 16)
Dring & Fage, spirit rule	3013	Spirit slide rule of ivory, 212x31x5 mm Front Scales: 1)� =� 2)� 3)� =� 4), Back Scales: 5)� =� 6)� 7)� =� 8)
Dujardin Salleron Paris Alcoometre Modele 1914 No. 569	3462	Technical slide rule of wood/plastic, 250x30x8 mm� (1927) Front Scales: 0-15� =� 101-89� =� 0-15
Dujardin Salleron Paris Alcoometre No. 625	0809	Technical slide rule of wood/plastic, 307x28x8 mm Front Scales: 100-65� =� 30-0� =� 70-30
Duromit Regle a Calcule Duromit-Beton	0811	Technical slide chart of cardboard, 142x72x1.1 mm
Dyna-Slide I/EC Mole Fraction and Adiabatic Expansion and Compression Slide Rule	5506	Photography disc of cardboard, 142x1 mm
Eastman Deflecting tool setting chart	2724	Technical slide chart of plastic/cardboard, 253x95x3 mm Front Scales: 1)� 2)� 3)� =� 4)� =
Eckel Engineer's Log Log	5648	Disc
Ecobra	0813	Generic slide rule of aluminium, 154x28x3 mm Front Scales: 1)� A� =� B� 2)� 3)� C� =� D� R Back Scales: 4)� =� 2)� =� 5)
Ecobra 1261	0820	Generic slide rule of metal, 150x29x4 mm Front Scales: 14cm� /� A� =� B� C� =� D
Ecobra 1450	5759	Generic slide rule of metal, 143x33x7 mm Front Scales: 12cm� /� K� A� =� B� CI� C� =� D� L� ]� 5inch Back Scales: =� S� T� =
Ecobra 1461 Rietz	0821	Generic slide rule of aluminium, 155x28.5x2.5 mm Front Scales: K� A� =� B� R� C� =� D� lg Back Scales: 12cm� =� sin� tg
Ecobra 1500	3129	Generic slide rule of metal, 26.8x34x7 mm Front Scales: 25cm� /� K� A� =� B� CI� C �=� D� L� ]� 10inch Back Scales: =� S� T� =
Ecobra 1511 Rietz	0823	Generic slide rule of aluminium, 305x32x4.3 mm Front Scales: K� A� =� B� R� C� =� D� lg Back Scales: 25cm� =� sin� tg� =� 10inch
Ecobra 1561	3660	Generic slide rule of aluminium, 162x28x3 mm Front Scales: K� A� =� B� lg� C� =� LL3� LL2� LL1,� Back Scales: sin� tg� DF� =� CF� CI� C� = D� P
Ecobra 160	0819	Generic disc of plastic, 80x2.5 mm Front Scales: A� D �= C� CI
Ecobra 1611 Darmstadt	0824	Generic slide rule of metal, 314x40x3.5 mm Front Scales: K� A� =� B� lg� C� =� LL3� LL2� LL1 Back Scales: sin� tg� DF� =� CF� CI� C� =� D� P
Ecobra compasses	5539	Nautical 2 fold rule of aluminium, 185x15x6.5 mm Front Scales: Linie 1-10�� Kreis z2-15
Ecobra R 141 Rietz	0814	Generic slide rule of plastic, 155x37 4.2 mm Front Scales: 13cm� /� A� =� B� CI� C� =� D� K� \� 5inch Back Scales: =� S� L� T� =
Ecobra R 143 Rietz	0816	Generic slide rule of plastic, 162x38x4.5 mm Front Scales: 13cm� /� LL3� LL2� A� =� B� CI� C� =� D� K� LL1 Back Scales: =� P� T� L� S� =
Ecobra R 152 Perfect	0818	Generic slide rule of plastic, 320x43x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T Back Scales: 25cm� =� S� LL2� LL3� =� 10inch
Educational Novelty Co. "Consul" The Educated Monkey	3420	Calculate metal plate of metal, 138x149x1 mm
Educational Novelty Co. "Consul" The Educated Monkey.	3461	Calculate metal plate of metal, 138x149x1 mm
Elauma Electrical Engines	5279	Electrical slide chart of plastic, 211x81x0.6 mm� (1978) Front Scales: See Picture, Back Scales: See Picture
Elauma Electrical Engines	5338	Electrical slide chart of plastic, 211x81x0.6 mm� (1978) Front Scales: See Picture, Back Scales: See Picture
Electrical Unknown	5779	Electrical disc
Elesta Electrical Connections	5332	Electrical slide chart of cardboard, 216x100x1.2 mm� (1968) Front Scales: See Picture, Back Scales: See Picture
EMF Dordt	0828	Technical disc of plastic, 119x2.2 mm
Empire Decimal Currency Calculator 370	2866	Financial disc of plastic, 150x5.5 mm Front Scales: 1)� 2), Back Scales: 3)� 4)
Empire Pedigree	5039	Generic slide rule of plastic
EMT	0829	Generic slide rule of ivory, 320x56x55 mm Front Scales: 1)� 2)� 3)� A� =� B� C� =� D� S-ST� =� E� E� =� S-LY Back Scales: A� =� 4)� 5)� =� B� C� =� C� C� =� C
English Electric	2043	Generic slide rule of wood/plastic, 141x22.5x5.5 mm Front Scales: A� =� B� C� =� D
Environmental Dynamics Octal Hexadecimal Slide Rule	0832	Computer slide rule of plastic, 155x27x4.5 mm Front Scales: 1)� 2)� = 3)� 4)� =� 5)
Erdgas Gasoline use	0833	Technical disc of plastic, 116x150 mm
Exxon 948- 0049- D	0837	Aviation disc of plastic, 100x150x1 mm Front Scales: 1)� =� 2)� + 4 windows
Faber Castell	0838	Generic slide rule of all wood, 280x33x9 mm� (Before 1900) Front Scales: 25cm� /� A� =� B� C� =� D� ]� 28cm� #30-55cm# Back Scales: =� S� L� T� =
Faber Castell	0839	Generic slide rule of wood/plastic, 260x33x9 mm� (Before 1900) Front Scales: 10inch� /� A� =� B� C� =� D�� ]� 26cm� #27-51cm# Back Scales: =� S.� L.� T.� =
Faber Castell	0840	Generic slide rule of wood/plastic, 260x33.3x9.7 mm Front Scales: 25cm� /� A� =� B� C� =� D� ]� 26cm� #26-51cm# Back Scales: =� S� L� T� =
Faber Castell	0841	Generic slide rule of wood/plastic, 122x22x8 mm Front Scales: 10cm� /� A� =� B� C� =�� D� ]� 12cm Back Scales: =� S� L� T� =
Faber Castell	5787	Generic slide rule of wood/plastic
Faber Castell 1/22 Disponent	0854	Generic slide rule of wood/plastic, 300x39x11 mm Front Scales: 27cm� /� units� KZ� =� T� p%(Val.)� T(E)� =� Z(V)� L� ]� s� �� d� �, Back Scales: =� LL1� LL2� %� C� =
Faber Castell 1/28 Bivius	0865	Generic slide rule of wood/plastic, 300x39x11 mm Front Scales: 27cm� lg� /� K� KZ� =� T� p%(Val.)� T(E)� =� Z(V)� A� ]� s� �� d�� , Back Scales: =� LL1� LL2� %� C� =
Faber Castell 1/38	5756	Generic slide rule of wood/plastic, 298x39x11 mm Front Scales: 27cm� /� L� A� =� B� CI� C� =� D� P� ]� sin� tg�� #31-59cm#, Back Scales: =� 1-cos2� 1)� sin.cos� cos2� 2)�� =
Faber Castell 1/38� 400g	0866	Generic slide rule of wood/plastic, 298x39x11 mm Front Scales: 27cm� /� L� A� =� B� CI� C� =� D� P� ]� sin� tg�� #31-59cm#, Back Scales: =� 1-cos2� 1)� sin.cos� cos2� 2)�� =
Faber Castell 1/54 Darmstadt	0879	Generic slide rule of wood/plastic, 300x39x11 mm Front Scales: 27cm� lg� /� K� A� =� B� CI� C� =� D� P� ]� sin� tg�� #34-56cm#, Back Scales: =� LL1� LL2� LL3� =
Faber Castell 1/60	0884	Generic slide rule of wood/plastic, 300x38.5x10 mm Front Scales: 27cm� / A� =� B� CI� C� =� D� ]� 1:25 Back Scales: =� S� L� T� =
Faber Castell 1/60/360	1169	Generic slide rule of wood/plastic, 300x38.6x11 mm Front Scales: 10inch� /� A� =� B� C� =� D� ]� 30cm�� #33-60cm# Back Scales: =� sin� lg� tg� =
Faber Castell 1/61/361	1172	Generic slide rule of wood/plastic, 300x39x11 mm Front Scales: 10inch� /� A� =� B� CI� C� =� D� ]� 30cm
Faber Castell 1/78/378	1175	Electrical slide rule of wood/plastic, 300x39x10.9 mm Front Scales: 27cm� /� LL2� A� =� B� C� =� D� LL3� ]� 1:25� #Dynamo Motor� Volt#, Back Scales: =� sin� lg� tg� =
Faber Castell 1/87 Rietz	0895	Generic slide rule of wood/plastic, 300x39x11 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25 Back Scales: =� S� ST� T� =
Faber Castell 1/87/387 Rietz	1176	Generic slide rule of wood/plastic, 300x39.5x11 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25 #34-60cm#, Back Scales: =� sin� sin/tg� tg� =
Faber Castell 1/92	1689	Generic slide rule of plastic, 300x39x10 mm Front Scales: 10inch� /� LL2� A� =� B� CI� C� = D� LL3� ]� K Back Scales: =� sin� lg� tg� =
Faber Castell 1/92/392	1177	Generic slide rule of wood/plastic, 299x39x11 mm Front Scales: 27cm� /� LL2� A� =� B� CI� C� =� D� LL3� ]� K Back Scales: =� S� L� T� =
Faber Castell 1/94/394	1178	Generic slide rule of wood/plastic, 300x39x11 mm Front Scales: 27cm� /� K� A� =� B� C� =� D� L� ]� 1:25 Back Scales: =� sin� sin/tg� tg� =
Faber Castell 1/98 Elektro	0910	Electrical slide rule of wood/plastic, 299x39x10.8 mm Front Scales: 27cm� /� LL2� A� =� B� CI� C �=� D� LL3� ]� K�� #Dynamo-Motor n=%� Volt#, Back Scales: =� sin� lg� tg� =
Faber Castell 1/98/398 Elektro	1179	Electrical slide rule of wood/plastic, 300x39x10.5 mm Front Scales: 27cm� /� LL2� A� =� B� CI� C� =� D� LL3� /� K� #Dynamo� Motor� Volt#, Back Scales: =� sin� lg� tg� =
Faber Castell 1/98m Elektro	0913	Electrical slide rule of wood/plastic, 300x39x11 mm Front Scales: 27cm� /� LL2� A� =� B� CI� C� =� D� LL3� ]� K�� #Dynamo-Motor n=%� Volt#, Back Scales: =� sin� lg� tg� =
Faber Castell 10 Klawun	0851	Generic slide rule of wood/plastic, 300x30x10 mm Front Scales: K� A� =� B� R� C� =� D� L Back Scales: =� sin� sin/tg� tg� =
Faber Castell 11/87	3123	Generic slide rule of wood/plastic, 300x38x9 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25� #33-56cm#, Back Scales: =� sin� sin/tg� tg� =
Faber Castell 11/87 K	1003	Generic slide rule of wood/plastic, 300x38.5x9.5 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� sin� sin/tg� tg� =
Faber Castell 111/22 Disponent	1128	Generic slide rule of plastic, 298x49.2x7 mm� (1957) Front Scales: 27cm� /� units� %� DF� =� CF Val� E� =� V� L� sh� d� �� , Back Scales: =� LL1� LL2� %� C� =
Faber Castell 111/38� Tachymeter 400g	1131	Generic slide rule of plastic, 300x49x7 mm Front Scales: 27cm� /� L� A� =� B� CI� C� =� D� P� S� T Back Scales: =� 1)� 2)� 3)� 4)� 5)� =
Faber Castell 111/48 Machinenzeit	1133	Log/tech slide rule of plastic, 299x49x7.8 mm Front Scales: 27cm� /� 1)� =� 2)� 3)�� =� D� 4)� 5) Back Scales: =� A� 6)� CI� C� 7)� =
Faber Castell 111/66 Demegraph	1138	Generic slide rule of plastic, 299x49x7 mm Front Scales: 27cm� /� �� DF� =� CF� CI� C� =� D�� DIN� 3scales Back Scales: 0-44� =� LL1� LL2� %� C� = O-44
Faber Castell 111/87 A Rietz Addiator	1143	Generic rule/addiator of plastic, 300x42x8 mm Front Scales: 10inch� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Faber Castell 111/87 Rietz	1141	Generic slide rule of plastic, 299x39x7 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� sin� sin/tg� tg� =
Faber Castell 111/98 Elektro	1147	Electrical slide rule of plastic, 300x49x7 mm Front Scales: 27cm� /� LL2� A� =� B� CI� C� =� D� LL3�� Dynamo-Motor h=%� Volt� ]� K, Back Scales: =� S� L� T� =
Faber Castell 157/80 Mentor-Fix	1155	Generic slide rule of plastic, 299x39.7x5.7 mm Front Scales: 27cm� /� A� DF� =� CF� CIF� CI� C� =� D� K
Faber Castell 157/87 Rietz	1157	Generic slide rule of plastic, 299x39.8x5.5 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Faber Castell 157/89 Log Log	1159	Generic slide rule of plastic, 300x49x5.5 mm Front Scales: 27cm� /� K� A� =� B� L� CI� C� =� D� S� ST� T1� T2 Back Scales: =� LL2� S'� LL3� =
Faber Castell 163/81 Novo Mentor	1160	Generic slide rule of plastic, 172x38x3.5 mm Front Scales: A� DF� =� CF� CIF� CI� C� =� D� K Back Scales: L� T1� T2� =� S� CI� C �=� D� S� ST
Faber Castell 167/87 Rietz	1163	Generic slide rule of plastic, 158x32x4.4 mm Front Scales: 14cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Faber Castell 176066 Typometer	1174	Other table of plastic, 310x105x1 mm� (1984)
Faber Castell 2/31 Stahlbeton	0915	Concrete slide rule of plastic, 331x48x5 mm Front Scales: K� T1� T2� A� =� B� BI� CI� C� =� D� ST� S� L Back Scales: fe� =� xfeh� x/3� M� =� b� X
Faber Castell 2/82	0917	Generic slide rule of plastic, 330x48x5 mm Front Scales: 25cm� T1� T2� A� =� B� BI� CI� C� =� D� P� S� 10INCH, Back Scales: LL03� LL02� LL01� K� =� K'� L� ST� CF� =� DF� LL1� LL2� LL3
Faber Castell 2/82 N Duplex	0923	Generic slide rule of plastic, 370x57x5 mm Front Scales: T1� T2� L� A� =� B� BI� CI� S'� C� =� D� S� ST� P Back Scales: LL03� LL02� LL01� K� DF� =� CF� K'� CIF� CI� C� =� D� LL1� LL2� LL3
Faber Castell 2/83 N Novo Duplex	0929	Generic slide rule of plastic, 370x57x5 mm Front Scales: T1� T2� K� A� DF� =� CF� B� CIF� CI� C� =� D� DI� S� ST� P, Back Scales: LL03� LL02� LL01� LL00� W2� =� W2'� CI� L� C� W1' =� W1� D� LL0� LL1� LL2� LL3
Faber Castell 2/83 Novo Duplex	0925	Generic slide rule of plastic, 332x47.4x5 mm Front Scales: K� T1� T2� DF� =� CF� CIF� CI� C� =� D� S� ST� P Back Scales: LL03� LL02� LL01� W2� =� W2'� L� C� W1'� =� W1� LL1� LL2� LL3
Faber Castell 20/68 Parifix	1006	Technical slide rule of plastic, 251x69 mm Front Scales: 1) - 10), Back Scales: 11) - 19)
Faber Castell 3/11 Statics	0933	Generic slide rule of wood/plastic, 385x40.5x11 mm Front Scales: 30cm� /� A� =� B� CI� 1)2)� 3)4)� C� =� D� ]� K Back Scales: =� sin� lg� sin/tg� tg� =
Faber Castell 3/11 Statics	3884	Technical slide rule of wood/plastic, 384x42x12 mm Front Scales: 14inch� /� M� =� b� CI� 1) 2) At C� =� D� ]� K� L Back Scales: =� sin� sin/tg� tg� =
Faber Castell 3/31 Statik	0936	Log/tech slide rule of wood/plastic, 385x42x12 mm Front Scales: 30cm� /� M� A� =� B� sb� CI� 1)� 2)� fe� C� =� D� h(fe)� ]� K� L #3)#, Back Scales: =� S� 4)� 5)� ST� T� =
Faber Castell 307 Columbus	0932	Generic slide rule of wood/plastic, 310x28x65 mm Front Scales: C� =� D� M
Faber Castell 308	2902	Generic slide rule of wood/celluloid, 152x23x7.4 mm Front Scales: A� =� B� C� =� D, Back Scales: =� S� L� T =
Faber Castell 310/52 Projektionsrechenstab	1164	Generic projection of plastic, 380x200x12 mm Front Scales: L� K� A� =� B� BI� CI� C� =� D� LL1� LL2� LL3 Back Scales: T1� T2� DF� =� CF� CIF� S'� C� =� D� S� ST� P
Faber Castell 310/87 Projection of 111/87	3882	Generic slide rule of perspex, 368x200x15 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: K� A� =� S� ST� T� =� D� L
Faber Castell 314	0935	Generic slide rule of wood/celluloid, 122x18.2x4.3 mm Front Scales: A� =� B� C� =� D, Back Scales: 11cm� 4inch
Faber Castell 332	0937	Generic slide rule of wood/plastic, 152.5x23.5x6.5 mm Front Scales: A� =� B� C� =� D
Faber Castell 339 Schulrechenstab	2686	Generic slide rule of wood/plastic, 280x27,5x7,5 mm Front Scales: A� =� B� C� =� D, Back Scales: 28cm� 11inch
Faber Castell 342 Columbus	0941	Generic slide rule of wood/plastic, 385x50x12.8 mm Front Scales: s� �� d� �� E.P%� V.P.%� /� Val� =� Div.� Val.Mult� Val.Mult� Div.� =� Val.� ]� 38cm
Faber Castell 345	0942	Generic slide rule of wood/plastic, 280x33x11 mm Front Scales: 10inch� /� A� =� B� C� =� D� ]� 27cm�� #30-55cm# Back Scales: =� S� L� T� =
Faber Castell 357	0944	Generic slide rule of all wood, 280x33x10 mm Front Scales: 27cm� /� A� =� B� C� =� D� ]� 28cm� #30-55cm# Back Scales: =� S.� L.� T.� =
Faber Castell 360	3457	Generic slide rule of wood/plastic, 280x33.5x10.7 mm Front Scales: 27cm� /� A� =� B� C� =� D� ]� 28cm Back Scales: =� S� L� T� =
Faber Castell 363	0953	Generic slide rule of wood/plastic, 280x32.5x9 mm Front Scales: 27cm� /� A� =� B� C� =� D� ]� 28cm�� #30-55cm# Back Scales: =� S� L� T� =
Faber Castell 368 (electro)	0956	Electrical slide rule of wood/plastic, 285x36x9 mm Front Scales: LL3� LL2� /� A� =� B� C� =� D� /� 27cm� #Dynamo-Motor n%� Volt#, Back Scales: =� S� L� T� =
Faber Castell 368 (electro)	3454	Electrical slide rule of wood/plastic, 285x36x9 mm Front Scales: 27cm� /� A� =� B� C� =� D� /� LL3� LL2�� #Dynamo-Motor n%� Volt#, Back Scales: =� S� L� T� =
Faber Castell 369	0957	Generic slide rule of wood/celluloid, 149x28.6x10 mm Front Scales: 14cm� /� A� =� B� C� =� D� ]� 15cm Back Scales: =� S� L� T� =
Faber Castell 374 System Pickworth	2894	Generic slide rule of wood/celluloid, 280x32x9.5 mm Front Scales: 27cm� /� A� =� B� C� =� D� ]� 28cm Back Scales: =� S� L T� =� K
Faber Castell 375 Rietz	0962	Generic slide rule of wood/plastic, 279x37.6x10 mm Front Scales: 27cm� /� K� A� =� B� C� =� D� L� ]� 28cm Back Scales: =� S� L� T� =
Faber Castell 378	0971	Electrical slide rule of wood/plastic, 295x38x10 mm Front Scales: 27cm� /� LL2� A� =� B� C� =� D� LL3� ]� 10inch�� #Dynamo-Motor n=%� Volt#, Back Scales: =� S� L� T� =
Faber Castell 387	0983	Generic slide rule of wood/plastic, 305x41.5x11 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25�� #33-60cm#, Back Scales: =� S� S&T� T� =
Faber Castell 392	0986	Generic slide rule of wood/plastic, 300x41x11 mm Front Scales: 27cm� /� LL2� A� =� B� CI� C� =� D� LL3� /� K Back Scales: =� S� L� T� =
Faber Castell 398	0987	Electrical slide rule of wood/plastic, 300x41.2x11 mm Front Scales: 10inch� /�� LL2� A� =� B� 1)� CI� C� =� D� LL3� ]� K�� #Dynamo-Motor n=%� Volt#, Back Scales: =� S� L� T� =
Faber Castell 4/22 Disponent	0991	Generic slide rule of wood/plastic, 574x42.5x13.8 mm Front Scales: 50cm� /� units� DF� =� CF� CI� C� =� D� L� ]� sh/d� � Back Scales: =� LL1� LL2� %� C� =
Faber Castell 4/54 Darmstadt	0993	Generic slide rule of wood/plastic, 574x42x13 mm Front Scales: 50cm� L� /� K� A� =� B� CI� C� =� D� P� ]� S� T Back Scales: =� LL1� LL2� LL3� =
Faber Castell 4/98 Elektro	1000	Electrical slide rule of wood/plastic, 577x43x14 mm Front Scales: 50cm� /� LL2� A� =� B� CI� C� =� D� LL3� ]� K�� #Dynamo/Motor� Volt#, Back Scales: =� S� L� T� =
Faber Castell 4477 Wichmann	1007	Generic slide rule of wood/plastic, 300x39x11 mm Front Scales: 27cm� lg� /� K� A� =� B� CI� C =� D� P� ]� sin� tg� #34-58cm#, Back Scales: =� LL1� LL2� LL3� =
Faber Castell 51/22	1009	Generic slide rule of wood/plastic, 300x30x9 mm Front Scales: units� KZ� =� T� Val.� E� =� V� L Back Scales: =� LL1� LL2� %� C� =
Faber Castell 51/39	1010	Generic slide rule of wood/plastic, 301x30x9.5 mm Front Scales: A� =� B� C� =� D Back Scales: 30cm� =�� =� 11.7inch
Faber Castell 51/39/339 School Rekenlineaal	1182	Generic slide rule of wood/plastic, 300x30x9.4 mm Front Scales: A� =� B� C� =� D, Back Scales: 30cm�� 11.7inch
Faber Castell 51/91	1012	Generic slide rule of wood/plastic, 300x30x10 mm Front Scales: A� =� B� C� =� D, Back Scales: =� sin� lg� tg� =
Faber Castell 51/94 System Rietz	5754	Generic slide rule of wood/celluloid, 300x30x9 mm Front Scales: K� A� = B� C� =� D� L Back Scales: =� sin� sin/tg� tg� =
Faber Castell 51/94/317 Schul Rechenstab	1184	Generic slide rule of wood/plastic, 300x30x9 mm Front Scales: K� A� =� B� C� =� D� L Back Scales: 30cm� =� sin� sin/tg� tg� =� 11inch
Faber Castell 52/22 Schul Disponent	2868	Generic slide rule of all wood, 300x30x10 mm Front Scales: 1)� KZ� =� T� val� E� =� V� L Back Scales: =� LL1� LL2� %� C� =
Faber Castell 52/39/355	1186	Generic slide rule of all wood, 300x30x9 mm Front Scales: A� =� B� C� =� D
Faber Castell 52/80 Mentor	1015	Generic slide rule of plastic, 324x41.5x4 mm Front Scales: A� %� DF� =� CF� CIF� CI� C� =� D� K Back Scales: 25cm� =� =� 10inch
Faber Castell 52/81 Novo Mentor	1018	Generic slide rule of plastic, 325x41.84 mm Front Scales: A� DF� =� CF� CIF� CI� C� =� D� K Back Scales: T1� T2� =� S'� CI� C� =� D� S� ST
Faber Castell 52/82 D-stab	1019	Generic slide rule of plastic, 325x42x4 mm� (1971) Front Scales: L� K� A� =� B� BI� CI� C� =� D� LL1� LL2� LL3 Back Scales: T1� T2� DF� =� CF� CIF� S'� C� =� D� S� ST� P
Faber Castell 55/91	3451	Generic slide rule of all wood, 300x30x9 mm Front Scales: A� =� B� C� =� D, Back Scales: =� sin� lg� tg� =
Faber Castell 57/22 Disponent	1030	Generic slide rule of plastic, 298x40x5.2 mm Front Scales: 27cm� /� conversionfactors� %� DF� =� CF� CI� C� =� D� L, Back Scales: =� LL1� LL2� % C� =
Faber Castell 57/22 W Tuberios de Fibrocemento	3895	Concrete slide rule of plastic
Faber Castell 57/69	1038	Technical slide rule of plastic, 298x40x5.5 mm Front Scales: 27cm� /� AG� =� I oam2� II oam2� =� OS
Faber Castell 57/86 Columbus	1043	Generic slide rule of plastic, 288x32x4,5 mm� (1962) Front Scales: 27cm� /� A� =� B� C� =� D
Faber Castell 57/87 Schul Rietz	1048	Generic slide rule of plastic, 300x396x5.5 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Faber Castell 57/88 Rietz-N	1065	Generic slide rule of plastic, 300x49x5.5 mm Front Scales: 27cm� /� K� A� =� B� L� CI� C� =� D� S� ST� T1� T2
Faber Castell 57/89 Log Log	1070	Generic slide rule of plastic, 300x49x5.5 mm Front Scales: 27cm� /� K� A� =� B� L� CI� C� =� D� S� ST� T1� T2 Back Scales: =� LL2� S'� LL3� =
Faber Castell 57/92	1076	Generic slide rule of plastic, 298x39.8x5.5 mm Front Scales: 10inch� /� LL2� A� =� B� CI� C� =� D� LL3 Back Scales: =� S� L� T� =
Faber Castell 61/60/369	1187	Generic slide rule of wood/plastic, 156x31.5x9.5 mm Front Scales: 14cm� /� A� = B� C� =� D� ]� 1:25 Back Scales: =� S� L� T� =
Faber Castell 61/87/397 Rietz	1188	Generic slide rule of wood/plastic, 155x31x9 mm Front Scales: 14cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25 Back Scales: =� sin� sin/tg� tg� =
Faber Castell 62/82 N Duplex	1080	Generic slide rule of plastic, 200x47x3.5 mm Front Scales: T1� T2� L� A� =� B� BI� CI� S'� C�� =� D� S� ST� P Back Scales: LL03� LLO2� LL01� K� DF� =� CF� K'� CIF� CI� C� =� D� LL1� LL2� LL3
Faber Castell 62/83	3439	Generic slide rule of plastic, 186x42x4 mm Front Scales: K� T1� T2� DF� =� CF� CIF� CI� C� =� D� ST� S� P Back Scales: LL03� LL02� LL01� W2� =� W2'� L� C� W1'� =� W1� LL1� LL2� LL3
Faber Castell 62/83 N Novo-Duplex	1082	Generic slide rule of plastic, 200x46.4x3.4 mm Front Scales: T1� T2� K� A� DF� =� CF� B� CIF� CI� C� =� D� DI� S� ST� P, Back Scales: LL03� LL02� LL01� LL00� W2� =� W2'� CI� L� C� W1'� =� W1� D� LL0� LL1� LL2� LL3
Faber Castell 63/22	1084	Generic slide rule of wood/plastic, 155x30x4.5 mm Front Scales: 14cm� /� KZ� =� T� Val� E� =� V
Faber Castell 63/22 R Kleindisponent Addiator	1085	Generic rule/addiator of wood/plastic, 155x37x8 mm Front Scales: 14cm� /� KZ� =� T� Val� E� =� V� \� s/�� d/�
Faber Castell 63/39	1086	Generic slide rule of wood/plastic, 155x31.4x4.8 mm Front Scales: 14cm� /� A� =� B� C� =� D
Faber Castell 63/83	1087	Generic slide rule of plastic, 172x38x3.5 mm Front Scales: K� T1� T2� DF� =� CF� CIF� CI� C� =� D� S� ST� P Back Scales: LL03� LL02� LL01� W2� =� W2'� L� C� W1'� =� W1� LL1� LL2� LL3
Faber Castell 63/87	3255	Generic slide rule of plastic
Faber Castell 63/91	1089	Generic slide rule of plastic, 150x30.5x4.5 mm Front Scales: 14cm� /� A� =� B� C� =� D
Faber Castell 64/22	1520	Generic slide rule of wood/celluloid, 154x31x6 mm Front Scales: 5inch� /� DF� =� CF� CI� C� =� D
Faber Castell 64/91	3449	Generic slide rule of wood/celluloid, 155x32x6.5 mm Front Scales: 14cm� /� A� =� B� C� =� D Back Scales: =� sin� lg� tg� =
Faber Castell 67/22 Kleindisponent	1094	Generic slide rule of plastic, 157x33x4.5 mm Front Scales: 14cm� /� %� DF� =� CF� CI� C� =� D Back Scales: =� sh/d� �� =
Faber Castell 67/22 Rb Disponent Addiator	1097	Generic rule/addiator of plastic, 158x42x7 mm Front Scales: 14cm� /� %� DF� =� CF� CI� C� =� D� sh/d ��
Faber Castell 67/34 Medizinischer Rechenstab Hemaglobin	3893	Medical slide rule of plastic
Faber Castell 67/39	1098	Generic slide rule of plastic, 157x32.8x4.4 mm Front Scales: 14cm� /� A� =� B C� =� D
Faber Castell 67/54 b Darmstadt	1100	Generic slide rule of plastic, 158x42x4.5 mm Front Scales: 14cm� /� L� K� A� =� B� CI� C� =� D� P� S� T Back Scales: =� LL1� LL2� LL3� =
Faber Castell 67/54 b SZ	3903	Generic slide rule of plastic, 158x42x4 mm Front Scales: 14cm� /� j� cosj� A� =� B� CI� C� D� sinj� tgj� L
Faber Castell 67/54 Darmstadt	1099	Generic slide rule of plastic, 153x40x4 mm Front Scales: 14cm�� lg� /� K� A� =� B� CI� C� =� D� P� \� sin� tg Back Scales: =� LL1� LL2� LL3� =
Faber Castell 67/54 R Darmstadt	1105	Generic slide rule of plastic, 153x40x9 mm Front Scales: 14cm�� L� /� K� A� =� B� CI� C� =� D� P� \�� S� T Back Scales: =� LL1� LL2� LL3� =
Faber Castell 67/54 Rb� Darmstadt Addiator	2817	Generic rule/addiator of plastic/metal, 158x41x7 mm Front Scales: 14cm /� L� K� A� =� B� CI� C� =� D� P� S� T Back Scales: =� LL1� LL2� LL3� =
Faber Castell 67/54 Rb Darmstadt Addiator	3131	Generic rule/addiator of plastic/metal, 157x42x7 mm Front Scales: 5inch� /� L� K� A� =� B� CI� C� =� D� P� S� T Back Scales: =� LL1� LL2� LL3� =
Faber Castell 67/56 b Schweisstechnik	2793	Log/tech slide rule of plastic, 157x42x4.2 mm Front Scales: 14cm� /� L� K� A� =� B� CI� C� =� D� P� S� T Back Scales: =� H� CI� C� =
Faber Castell 67/87 Rb Rietz Addiator	1106	Generic rule/addiator of plastic, 158x43x8 mm Front Scales: 14cm� /� L� K� A� =� B� CI� C� =� D� S� ST� T
Faber Castell 67/87 Rietz	1108	Generic slide rule of plastic, 157x32.8x4.5 mm Front Scales: 14cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Faber Castell 67/91	1117	Generic slide rule of plastic, 157x33x4.5 mm Front Scales: 14cm� /� A� =� B� C� =� D Back Scales: =� S� L� T� =
Faber Castell 67/98 b Elektro	1120	Electrical slide rule of plastic, 158x42x4.6 mm Front Scales: 14cm� /� LL2� A� =� B� CI� C� =� D� LL3� Dynamo-Motor h=%� Volt, Back Scales: =� S� L� T� =
Faber Castell 8/10	1001	Generic disc of plastic, 125x7 mm Front Scales: K� A� L� D� =� C� CI�� B� T1� T2� S �ST
Faber Castell 8/30	3565	Financial disc of plastic, 95x1.5 mm Front Scales: RABATT%� AUFSCHLAG%� D� =� C� CI
Faber Castell 9205	3458	Generic slide rule of wood/celluloid, 279x37x11 mm Front Scales: 26cm� /� K� A� =� B� C� =� D� L� ]� 10inch Back Scales: =� S� ST� T� =
Faber Castell Calculating Rule	5741	Generic slide rule of all wood
Faber Castell Kodak	5040	Photography slide rule of plastic
Faber Castell Nijgh & Van Ditmar	0844	Generic slide rule of plastic, 297x39.8x5.4 mm Front Scales: 27cm� /� A� DF� =� CF� L CI� C� =� D� K Back Scales: =� S� ST� T� =
Faber Castell TR 2 with pocket calculator	0849	Log/comp slide rule of plastic, 171x58x18 mm� (1978) Front Scales: LL03� LL02� LL01� K� A� =� B� BI� CI� C� =� D� L� LL1� LL2� LL3, Back Scales: =� T1� ST� S� P� C� =
Faber cme world war II military rule	2874	Military slide rule of wood/plastic, 249x59x15 mm Front Scales: 1)� 2)� /� 3)� =� 4)� 5)� =� 6)� 7)� ]� 24cm Back Scales: =� 8)� 9)� =
Faber Made in Bavaria	2809	Generic slide rule of wood/celluloid, 280x34x9 mm Front Scales: /� A� =� B� C� =� D� \
Faber Made in Bavaria	2810	Generic slide rule of wood/celluloid, 260x33x9 mm Front Scales: 10inch� /� A� =� B� C� =� D� ]� 26cm� #27-51cm# Back Scales: 10 INCHES� =� S.� L.� T.� =� 25 METER
Faber Verlag Chemie	3587	Chemistry slide rule of plastic, 187x41x3.3 mm Front Scales: K� T1� T2� DF� =� CF� L� Ci� C� =� D� LL3� LL03� LL02, Back Scales: C� N� F� H� =� B� 1)� CI� C� =� D� B� P� Cl
FA�-LuM-HSB 300 Hono-Rietz	1189	Generic slide rule of plastic, 291x48.7x4.3 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T
Farmar Entire Wine & Spirit	2690	Alcohol slide rule of wood/plastic, 531x67x7 mm Front Scales: AA� A� =� B� C� =� D� E� F Back Scales: 1)� 2)� G� =� H� I� =� J� K� KK
Farrow & Jackson gauging	1191	Generic slide rule of all wood, 318x55x6.5 mm� (After 1824) Front Scales: 12inch� 1)� 2)� [� A� =� B� C� =� D� SS� =� E� =� SL Back Scales: A� =� A� =� A� C� =� OP� C
Fearns Shaft Size and Horsepower Calculator	1192	Technical disc of plastic, 104x4.2 mm Front Scales: 1)� =� 2)� 3)� =� 4)� 5)
Felsenthal Computer Altitude Correction AN 5837 - 1	1197	Aviation disc of plastic, 203x3 mm� (1948) Front Scales: 1)� 2)� =� 3)� 4)
Felsenthal Mark 8 Aircraft Navigational Computer	1194	Aviation disc of plastic, 108x1.5 mm Front Scales: 1)� =� 2)� 3)� 4)� 5)� 6)
Felsenthal ML 420 A / AMT 4	5439	Meteorology disc of plastic, 2834 mm
Felsenthal Part no. FAA 12	1198	Aviation table of plastic, 275x97x1 mm
Felsenthal Part no. FAA 123	1211	Aviation disc of plastic, 204x5 mm� (1961, 1963)
Felsenthal Part no. FAA 14	1199	Aviation disc of plastic, 204x3 mm Front Scales: 1)� 2)� 3)� =� 4)� =� 5)� =� 6)� 7)
Felsenthal Part no. FAA 156	1212	Aviation disc of plastic, 156 mm� (1964)
Felsenthal Part no. FAA 212 PT Pilot's Computer	1214	Aviation disc of plastic, 99x3 mm� (1970-1974) Front Scales: Many scales, Back Scales: Many scales
Felsenthal Part no. FAA 35 Course & Distance Computer A-5	1201	Aviation disc of plastic, 228x3 mm Front Scales: 1)� =� 2)� 3)� 4) Back Scales: 5)� 6)� =� 7)
Felsenthal Part no. FAA 37	1202	Aviation disc of plastic, 110x3 mm Front Scales: 1)� =� 2)� 3)� + window Back Scales: 4)� =� 5)� + window
Felsenthal Part no. FAA 46C� Type MB 4	1204	Aviation disc of metal, 283x123x10 mm
Felsenthal Part no. FAA 58 Plotter Type B 2	1205	Aviation slide rule of plastic, 371x103x4 mm� (1980) Front Scales: 1)� 2)� 3)� 4)� 5)� 6)
Felsenthal Part no. FAA 78A - 1	1206	Aviation disc of metal, 127x25 mm� (1957) Front Scales: 1)� 2)� =� 3)� =� 4)� =� 5) Back Scales: 6)� 7)� 8)� 9)� 10)� =� 11)� =� 12)
Felsenthal Part no. FAA 8	1196	Aviation disc of plastic, 124x239x12 mm Front Scales: 1)� =� 2)� 3)� +� 2 windows, Back Scales: 4)� =� 5)
Felsenthal Part no. FAA 84	1207	Aviation disc of plastic, 110x35 mm Front Scales: 1)� =� 2)� =� 3)� =� 4)� 5)� 6)� + 3 windows Back Scales: 7)� =� 8)� + 3 windows
Felsenthal Part no. FAA 93A	1208	Aviation disc of metal, 190x80x9 mm
Felsenthal Part no. FDF-39 Radio Navigation Plotter	1203	Aviation slide rule of plastic, 191x77x1 mm� (1969) Front Scales: 1)� 2)� 3)� 4), Back Scales: 5)� 6)� 7)� 8)� 9)
Felsenthal Part no. FDI 8 Mach Computer	1195	Aviation disc of plastic, 152x2 mm Front Scales: 1)� =� 2) + window
Felsenthal Part no. FDW 31 Mark VIII-Computer	1200	Aviation disc of plastic, 102x1.2 mm� (1968)
Fescol Hardness	5431	Technical disc of cardboard, 97x2 mm Front Scales: Diamond Pyramid� Brinell� Firth� Rockwell� Scleroscope� Tensile Strength
Festus Acu Rule	1216	Generic slide rule of wood/paint, 267x31x9 mm Front Scales: A� =� B� CI� C� = D� K
Feuerleitger�t FLG - 9	2052	Military instrument of metal, 580x350x80 mm
Filotecnica No. 05 R	5042	Generic slide rule of wood/plastic
Filtra Filtergewebe	5323	Technical slide chart of cardboard, 210x208x0.8 mm Front Scales: See Picture, Back Scales: See Picture
Flying Fish 1200	1219	Generic slide rule of plastic, 200x45x4 mm Front Scales: sh0� sh1� K� A� =� B� srt-1� tg0� tg1� tg2� C� =� D� lg-1� th0� ch1 Back Scales: lni-1� lni0� lni1� DF� =� CF� CIF� sin0� H01� CI� C� =� D� ln1� ln0� ln-1
Fogra �tztiefenschl�ssel	1220	Technical disc of plastic, 140x1.5 mm Front Scales: 1)� =� 2)� 3)� 4)� 5)� 6)� 7)
Fokker F 28	1221	Technical disc of plastic, 130x1 mm� (1968)
Fontenaille Table de Conversion Density Gas and Liquids	5300	Log/tech disc of cardboard, 278x214x1 mm� (1992) Front Scales: See Picture Back Scales: See Picture
Fowler Long Scale Calculator	3682	Generic disc of metal, 68.5x11.5 mm Front Scales: L� 3 revolution B scale Back Scales: C� 6 revolution B scale
Fowler Universal	3060	Generic watch type of metal, 86x10 mm Front Scales: Conversion Yards to Metres C� CI� L� 100-10 (in 3 circles) sin(6�-70�)� sin(0�-5�)� tan
Fowlers Calculator	1222	Generic watch type of metal/glass, 68 mm Front Scales: D� C� B� A, Back Scales: L� C� A� S
Fowler's Jubilee Magnum Extra Long Scale	1223	Generic disc of metal/glass, 119.5x11 mm Front Scales: 1)� C� CI� L� 2)� 3)� 4)� 5)� 6)� 7)� 8)� 9)� 10)� 11)
Foxboro Flow & Valve	1227	Log/tech slide rule of plastic, 327x46x5 mm� (1967) Front Scales: 1)� 2)� 3)� =� 4)� 5)� 6)� 7)� 8)� 9)� 10)� 11)� 12)� 13)� 14)� =� 15) Back Scales: 16)� =� 17)� 18)� 19)� 20)� 21)� 22)� 23)� =� 24)� 25)� 26)� 27)
Foxboro The Valve and Meter	1229	Log/tech slide chart of plastic, 153x50x3 mm� (1963)
Foxboro Valve calculations	1228	Log/tech slide rule of plastic, 152x50 mm Front Scales: A� =� B� 1) C� =� E�� #� 2)� # Back Scales: =� B1� 3)� 4)� 5)� 6)� 7)� 8)� 9)� =
Frico Caloriewijzer	1230	Medical disc of cardboard, 120x0.3 mm
Fuji 102 B	1235	Generic slide rule of plastic, 321x45x4 mm Front Scales: K� S� A� =� B� CI� C� =� D� T� L
Fuji 104 B	1236	Generic slide rule of plastic, 320x45x4 mm Front Scales: T1� T2� K �A� =� B� CI� C� =� D� S� ST� L
Fuji 106	1237	Generic slide rule of plastic, 320x45x3.8 mm Front Scales: T� ST� DF� =� CF� CIF� CI� C� =� D� A� S
Fuji 112� WN Wolters Noordhoff	1238	Generic slide rule of plastic, 319x45x4 mm Front Scales: L� DF� =� CF� CIF� CI� C� =� D� A� K Back Scales: 25cm� =� S� ST� T1� T2� =
Fuji 1250 S Duplex Log/Log	1250	Generic slide rule of plastic, 335.5x49x5 mm Front Scales: LL-1� LL-2� LL-3� A� =� B� L� K� C� =� D� LL3� LL2� LL1, Back Scales: T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S� ST
Fuji 129 01 Student Log	1251	Generic slide rule of plastic, 325x45x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T Back Scales: 25cm� =� S� LL1� LL2� LL3� =� 10inch
Fuji 129 Student Log	1240	Generic slide rule of plastic, 314x43x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T Back Scales: 25cm� =� S� LL2� LL3� =� 10 inch
Fuji 251 Rietz	1243	Generic slide rule of plastic, 290x40x4 mm Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Fuji 42	3684	Generic slide rule of plastic, 150.5x27x4 mm Front Scales: DF� =� CF �CI� C� =� D, Back Scales: =� S� L� T� =
Fuji 51	3683	Generic slide rule of plastic, 150.5x27x4 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Fuji 534 S	1245	Generic slide rule of plastic, 150x35x4 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L� \� 5inch Back Scales: =� S� ST� T� =
Fuji 535 S	1247	Generic slide rule of plastic, 14.9x34.5x4 mm Front Scales: 13cm� /� A� =� B� CI� C� =� D� K� \� 5inch Back Scales: =� S� L� T� =
Fuji 536 C	3438	Generic slide rule of plastic, 150x34x4 mm Front Scales: 13cm� =� S� T� A� =� B� CI� C� =� D� K� P Back Scales: =� L� LL1� LL2� LL3� =
Fuji 553 P Duplex Log Log	1248	Generic slide rule of plastic, 175x38x4 mm Front Scales: LL-1� LL-2� LL-3� A� =� B� L� K� C� =� D� LL3� LL2� LL1, Back Scales: T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S� ST
Fuji 88	1232	Generic slide rule of plastic, 225x30x4 mm Front Scales: K� DF� =� CF� CI� C� =� D� A Back Scales: =� S� L� T� =
Fuji F 100	3662	By Fiji, generic slide rule of plastic, 313.5x43x6.5 mm Front Scales: DF� =� CF� CIF� CI� C� =� D� A
Fuji FJ 102� WN Wolters Noordhoff	1233	Generic slide rule of plastic, 313x43x5 mm Front Scales: L� DF� =� CF� CIF� CI� C� =� D� A� K Back Scales: 25cm� =� S� ST� T1� T2� =
Fullerton ACU 400	3911	Generic slide rule of plastic, 315x40x3 mm Front Scales: S� K� A� =� B� CI� C� =� D� L� T
Gamma Budapest 2503	1258	Generic slide rule of wood/plastic, 295x38.8x11.4 mm Front Scales: 27cm� L� /� K� A� =� B� CI� C� =� D� P� /� sin� tg Back Scales: =� LL1� LL2� LL3� =
Gasunie Conversion rule for combustion component units	5382	Conversion slide chart of cardboard, 162x70x1 mm Front Scales: See Picture Back Scales: See Picture
Geluidsbelastingschijf	1261	By Verkeersakademie, technical disc of plastic, 135 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)
Geluidsoverlast	1262	Technical slide chart of plastic, 210x77x1 mm Front Scales: 1) - 10)
Gerling Benzin Rechner	5311	Technical disc of cardboard, 103x145x0.7 mm Front Scales: See Picture, Back Scales: See Picture
Geschwindigkeitsmesser f�r Schleif- und Polierscheiben Form 1367	5345	By Made in USA, log/tech slide chart of plastic, 146x91x0.7 mm Front Scales: See Picture, Back Scales: See Picture
Geveke Werktuigbouw Perslucht - Energieverlies - Berekeningsschijf	3950	By Slide Charts Britain Ltd, log/tech slide chart of cardboard, 212x80x1 mm� (1996)
Gewichts- und Massberechnung von Bandstahlringen	1263	Technical slide chart of plastic, 210x68x2.5 mm Front Scales: 20cm� 7 scales� scale 1:25 from 0-5 Back Scales: 15 stuks scales
Gilson Midget	1270	Generic disc of plastic, 107x0.7 mm� (1931, 1936) Front Scales: x� 1/x� lg.x� x3, Back Scales: C� CI� L� A binary� LL� 1/64� drill� V� USS� sin tg sin tg sin tg 1/64� dec.
Gilson The Binary Slide Rule Type I	3258	Disc of aluminium, 203x mm� (1931 1940) Front Scales: C� CI� A� K� L� 4 revolution Log Log, Binary, Fraction, drill size and mm conversion Back Scales: Degrees, Sines, Tangents, Degrees, Sines, Tans., Deg'es, Sines, Tans, Fractions, Decimal equivalents
Gilson The Binary Slide Rule Type II	0111	Slide rule of aluminium, 209 mm� (1931 1940) Front Scales: C� CI� A� K� L� 4 revolution Log Log, Binary, Fraction, drill size and mm conversion Back Scales: Degrees, Sines, Tangents, Degrees, Sines, Tans., Deg'es, Sines, Tans, Fractions, Decimal equivalents
Goble Aircraft Specialities Model D	1271	Aviation disc of plastic, 105x2 mm� (1946) Front Scales: 1)� =� 2)� 3)� 4)� 5)� + 2 windows
Goldwell Conbelcolor Farbfestiger	1272	Other disc of plastic, 89x113x1.5 mm
Grant Casing	1274	Technical slide chart of plastic, 235x98x1.5 mm
Grant Tubing	1275	Technical slide chart of plastic, 235x98x1.5 mm
Graphic Anemostat Air Duct Calculator	1276	Log/tech slide chart of plastic, 215x84x2 mm Front Scales: 8 scales, Back Scales: 11 scales
Graphic Calculator Cameron Flange	1343	Technical slide chart of cardboard, 255x102x2 mm
Graphic Calculator Co Reed Hydraulic Calculator	1345	Log/tech slide chart of plastic, 252x105x2.5 mm
Graphoplex	1286	Log/tech slide rule of plastic, 291x40x6.2 mm Front Scales: 27cm� /� 1)� =� 2)� 3) �=� 4)� 5)
Graphoplex	1287	Generic slide rule of plastic, 292x43.4x4 mm Front Scales: 25cm� L� B3� B2� =� b2� a� b� =� B� S� S&T� T
Graphoplex	1288	Generic slide rule of plastic, 294x38.7x8.2 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Graphoplex	2728	Log/tech slide rule of plastic, 295x39.5x5.5 mm Front Scales: 27cm� /� w� R� =� 1)� Q� =� H
Graphoplex (615) Caltex	1289	Generic slide rule of plastic, 185x32x5 mm Front Scales: 17cm� /� B3� B2� =� b2� a� b� =� B�� L� #�F� �C# Back Scales: =� 1)� 2)� =
Graphoplex 1600	1332	Generic slide rule of plastic, 298x45.6x3.6 mm Front Scales: 27cm� /� L� T>45�� A� =� B� K� CI� C� =� D� S� ST� T<45�
Graphoplex 1612	3680	Generic slide rule of plastic, 151.5x33x4.5 mm Front Scales: 13cm� /� B3� B2� =� b2� a� b� =� B� L Back Scales: =� S� S&T� T� =
Graphoplex 1612 Rietz KOH-I-NOOR	3677	Generic slide rule of plastic, 150x33x4.5 mm Front Scales: 13cm� /� B3� B2� =� b2� a� b� =� B� L Back Scales: =� S� S&T� T� =
Graphoplex 1614 Log Log	1340	Generic slide rule of plastic, 297x49x4 mm Front Scales: 27cm� /� LL2� LL3� L� A� =� B� K� CI� C� =� D� S� ST� T<45�
Graphoplex 1694 Techni - math	1341	Generic slide rule of plastic, 296x49x4 mm Front Scales: 27cm� /� P� K� A� DF� =� CF� L� CI� C� =� D� S� SRT� T
Graphoplex 610 Rietz	1294	Generic slide rule of plastic, 295x30x4 mm Front Scales: K� A� =� B� CI� C� =� D� L
Graphoplex 612	1295	Generic slide rule of plastic, 150x32x4.5 mm Front Scales: 13cm� /� B3� B2� =� b2� a� b� =� B� L Back Scales: =� S� S&T� T� =
Graphoplex 615	1301	Generic slide rule of plastic, 185x32x4 mm Front Scales: 17cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Graphoplex 620 d	1305	Generic slide rule of plastic, 292x40x6.5 mm Front Scales: 27cm� /� B3� B2� =� b2� a� b� =� B� L Back Scales: =� S� S&T� T� =
Graphoplex 620 Rietz	1303	Generic slide rule of plastic, 290x40x6 mm Front Scales: 27cm� /� B3� B2� =� b2� a� b� =� B� L Back Scales: =� S� S&T� T� =
Graphoplex 630 G�om�tre Topographe 400g	1309	Generic slide rule of plastic, 294x45x5.5 mm Front Scales: 27cm� /� L� B3� B� =� sinxcos� cos2� S&T� b� =� B� B2 1/B2, Back Scales: =� sin� sin&tg� tg� b2� =
Graphoplex 640 Electric Log Log	1311	Generic slide rule of plastic, 291x46x6 mm Front Scales: 27cm� /� L� B3� B2� =� b2� a� b� =� B� LL3� LL2� LL1, Back Scales: =� cos� sin� tg� b� =
Graphoplex 647	1320	Generic slide rule of plastic, 293x45.5x5.5 mm Front Scales: 27cm� /� K� P� A� =� B� AI� CI� C� =� D� S� ST� T<45�, Back Scales: =� L� LL1� LL2� LL3� =
Graphoplex 650 Electro	1321	Electrical slide rule of plastic, 153x44.8x4.8 mm Front Scales: 13cm� /� L� B3� cos�� B2� =� b2� a� b� =� B� cos�� DYNAMO MOTEUR� VOLT, Back Scales: =� S&T� S� T� b� =
Graphoplex 690 a Neperlog	1323	Generic slide rule of plastic, 336x48.5x5.5 mm Front Scales: LL00� L� T>45�� A� =� B� T<45�� SRT� S� C� =� D� P� DI� LL0 Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� K� CI� C� =� D� LL3� LL2� LL1
Graphoplex 691 a Neperlog Hyperbolic	1324	Generic slide rule of plastic, 338x48.7x4.2 mm Front Scales: L� P� Ch� A� =� B� T<45�� ST� S� C� =� D� Th� Sh2� Sh1, Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� K� CI� C� =� D� LL3� LL2� LL1
Graphoplex 692 b	1326	Generic slide rule of plastic, 185x44x3 mm Front Scales: LL00� L� T>45�� A� =� B� T<45�� SRT� S� C� =� D� P� DI� LL0 Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� K� CI� C� =� D� LL3� LL2� LL1
Graphoplex 694	5739	Generic slide rule of plastic, 330x39x4.4 mm Front Scales: P� T>45�� A� =� B� T<45�� ST� S� C� =� D� DI� K Back Scales: L� LL3� DF� =� CF� CIF� CI� C� =� D� LL2� LL1
Graphoplex 694 a Tecnilog	1327	Generic slide rule of plastic, 330x39x4.4 mm Front Scales: P� T>45�� A� =� B� T<45�� SRT� S� C� =� D� DI� K Back Scales: L� LL3� DF� =� CF� CIF� CI� C� =� D� LL2� LL1
Graphoplex 697	1329	Electrical slide rule of plastic, 337x48.3x4.2 mm Front Scales: L� 1)� Dyn./M� Volts� A� =� B� Cap./Ind.� CI� C� =� D� f� l�� DI Back Scales: ST� T� S� DF� =� CF� CIF� K� CI� C� =� D� LL3� LL2� LL1
Graphoplex 699 D�cilog	1331	Generic slide rule of plastic, 332x39x4.2 mm Front Scales: LL01� L� A� =� B� T� SRT� S� C� =� D� DI� LL1, Back Scales: LL02� LL03� DF� =� CF� CIF� K� CI� C� =� D� LL3� LL2
Graphoplex Calculateur Roplex	1281	Generic disc of plastic, 128x128x6 mm Front Scales: n� =� n� n2� =� n2� =� 1/n Back Scales: n3� S� L� O� T� S&T
Graphoplex Conversion	2762	Conversion no slide of plastic, 280x40x9.5 mm Front Scales: 25cm� /� B� (US)L� (I)LG� AI� A� \� 10inch
Graphoplex Oilcompany rule	3287	Oil industry slide rule of plastic, 152x31.5x5 mm Front Scales: 5inch� /� Gross loss %� �F� �C� C� =� D� Net loss % Back Scales: =� Excess air %� CO2 %� Oxy. %� =
Graphoplex S 621 Rietz	1308	Generic slide rule of plastic, 295x46x5 mm Front Scales: 27cm� /� P� SRT� A� =� B� T<45�� S� CI� C� =� D� K� L
Graphoplex S 641 Log Log	1316	Generic slide rule of plastic, 295x56.4x5.5 mm Front Scales: 27cm� /� L� K� P� SRT� A� =� B� T<45�� S� CI� C� =� D� LL3� LL2� LL1
Graphoplex Statos B�ton Arm�	3075	Concrete slide rule of plastic, 290x46 mm Front Scales: 27cm� /� L� B3� B2� =� b2� a� b� =� B� 1)� 2)� 3)� 4)� 5)� 6), Back Scales: =� cos� sin� tg� b� =
Graphoplex Statos Stahlbeton Von Roll	1284	Concrete slide rule of plastic, 153x44x4.8 mm Front Scales: 13cm� /� L� cos� B3� B2� =� b2� a� b� =� B� 1)� 2)� 3) Back Scales: =� S&T� S� T� b� =
Graphoplex Statos Stahlbeton Von Roll - S	3530	Concrete slide rule of plastic, 153x44x4.8 mm Front Scales: 13cm� /� L� cos� B3� B2� =� b2� a� b� =� B� 1)� 2)� 3) Back Scales: =� S&T� S� T� b� =
Graphoplex Thermocoax	2790	Technical slide rule of plastic, 293x46x6.5 mm Front Scales: 27cm� /� AK� FK� AB� =� mv� mv� =� AB� pre� prg� rdrn, Back Scales: =� �C� �F� =� 10inch
Gravet Lenoir	1347	Generic slide rule of all wood, 260x24.2x7.9 mm Front Scales: A� =� B� B� =� D� ]� 26cm� #26-52cm# Back Scales: =� 1)� 2)� 3)� =
Gravet Lenoir	3852	Generic slide rule of all wood
Green B - 29 Flight Engineer's Computer	1348	Aviation slide rule of metal/paper, 395x100x5 mm� (1945) Front Scales: nomogrammen, Back Scales: nomogrammen
Green Force and Bomb Load Computer	3506	Military rule no cursor no slide of metal/celluloid, 395x100x2 mm
Greenfield Tap Drill Chart	1349	Technical table of cardboard/plastic, 139x86x0.4 mm
Greschner Comfort Sinusverteiler	5342	Technical slide chart of plastic, 225x98x1.3 mm Front Scales: See Picture, Back Scales: See Picture
Greschner Geluiddempers	5266	Technical slide chart of plastic, 198x94x1.5 mm� (1989) Front Scales: See Picture, Back Scales: See Picture
Griffon Fuel Consumption Calculator for Griffon 57 Engine	1350	Technical disc of plastic, 140x140x3 mm Front Scales: 1)�� 2) =� 3)� 4)
Grizzle Gas Pipe Line	1351	Technical slide rule of wood, 305x28 mm� (1945) Front Scales: B� A� =� A1� C� Q� =� P and Sp.Gr . And� E and D� F and H, Back Scales: =� BI� CI� R� G� DL� =
Grizzle Water Line Capacity Slide rule	5061	Log/tech slide rule
Guedon Camden N.J. (Made in France)	3575	Generic slide rule of celluloid, 146.5x28x3 mm Front Scales: A =� B� C� =� D, Back Scales: Conversion table
Gunter (only front side)	5782	Gunter rule of all wood
Gunter's scale	1353	Generic Gunter rule of all wood, 608x44x4 mm Front Scales: Many scales, Back Scales: Many scales
G�nther Drills	5257	Technical slide chart of plastic/cardboard, 170x95x1.5 mm Front Scales: See Picture, Back Scales: See Picture
Gypsum Gypsum Cement & Plaster Calculator	2777	Log/tech slide chart of cardboard, 231x102x2.5 mm Front Scales: 8 scales, Back Scales: 2 sales
Habs Rechenmaschine	3423	Generic cylinder of wood/paper, 220x15 mm
Halden Calculex	1362	Generic watch type of metal/glass, 60x7 mm Front Scales: L� A� =� B� 1)� C, Back Scales: S� A� =� B� z3n
Halliburton Cementing calculator	1363	Log/tech slide chart of plastic, 205x84x2 mm� (1960) Front Scales: A� B� C D� C1� E� F� G� H� J
Harling� 1526 Time Speed and Distance Rule	1368	Nautical slide rule of aluminium, 310x131x8.5 mm Front Scales: 1)� =� 2)� 3)� =� 4)� 5)� =� 6)� =� 7)
Harling� 700	1367	Generic slide rule of wood/celluloid, 546x44x13 mm� (1890-1938) Front Scales: 20inch� /� A� =� B� C� =� D� 20inch� ]� 50cm Back Scales: =� S� T� =
Harling� Students Slide Rule	3022	Generic slide rule of wood/plastic, 280x33x10 mm Front Scales: 26cm� /� A� =� B� C� =� D� \� 11inch
Harling� Wooden slide rule	3417	Generic slide rule of all wood, 266x25x8 mm Front Scales: 1)� [� A� =� B� C� =� D� ]� 2) Back Scales: 3)� =� S� T� =� 4)
Hartstichting Caloriewijzer	5419	Medical disc of cardboard, 170x0.8 mm Front Scales: See Picture, Back Scales: See Picture
Heinevetters Stabrechner Art. Nr. 66	1373	Generic slide rule of plastic, 215x40x2 mm Front Scales: I� II� C� =� D� 1), Back Scales: =� 1:25� 1:50� =
Hewitson Protractor	2721	Calculate protractor of bone, 152x42x1.8 mm
Higgison Maker Carpenters rule	1377	Generic 2 fold rule of all wood, 305x21x3.2 mm Front Scales: scale 100-0� [� A� =� B� C� =� D� ===� tables with data, Back Scales: 0-12inch� /� 9inch� 12x3/4inch� ===� 18x1/2inch� 38x1/4inch� 12-24inch
Hiltpold System Ing E.W. Hiltpold Zuerig	3667	Generic disc of plastic, 99.5x(75)x1 mm Front Scales: A� =� B� = C� =� D� =� L� 360� Back Scales: K� S� T� ST� 7cm
HMAK Skyderegnestok M / 66 for 120 mm morter M / 50 FA BGR M/50 RGR M/56	3538	Military slide rule of plastic, 321x68x7 mm Front Scales: 6� 5� 4� =� HS� =� 2� 1� 0
HMAK Skyderegnestok M / 66 for 120 mm morter M / 50 FA BGR M/50 RGR M/120	3539	Military slide rule of plastic, 321x68x7 mm Front Scales: 6� 5� 4� =� HS� =� 2� 1� 0
Holland NV Stalen Steiger	5261	Technical slide chart of plastic, 218x72x2.5 mm Front Scales: See Picture, Back Scales: See Picture
Hono 125 Rietz Jap	1380	Generic slide rule of plastic, 145x43x4 mm Front Scales: 13cm� B3� S� B2� =� b2� a� b� =� R� T� L
Hono 300 S.R.E ELEKTRON 25 - No 670	3831	Electrical slide rule of plastic, 298x49.5x4 mm Front Scales: S� T� F� A� =� B� CI� C� =� D� P� R� _ Back Scales: I/I0� db� P/P0� =�� =� 3 tables
Hono 9/314 Regolo Calcolatore	3643	Generic disc, 94x2 mm Front Scales: C� =� D� =� A� K
Hope 51	1381	Generic slide rule of plastic, 285x40x3.5 mm Front Scales: S� K� A� =� B� CI� C� =� D� L� T
Hope 53	3437	Generic slide rule of plastic, 151x27x3 mm Front Scales: A� = B� CI� C� = D� K
Hope 54	2856	Generic slide rule of plastic, 151x27x4 mm Front Scales: A� = B� CI �C� = D� K, Back Scales: =� S� L� T� =
Hope 57	1382	Generic slide rule of plastic, 150x37x4.2 mm Front Scales: 13cm� /� A� =� B� CI� C� =� D� K� \� 5inch Back Scales: =� S� L� T� =
Horman Drainagefilter by K. Dekker and G.A. Ven	5418	Technical disc of cardboard, 139x190x0.8 mm� (1982) Front Scales: Distance� =� meter
Hostmann Farbverbrauchtabelle	5307	Technical slide chart of aluminium, 170x125x1 mm Front Scales: See Picture, Back Scales: See Picture
Hottinger Baldwin MesstechnikType RS 1	3862	Log/tech disc of plastic, 130x130x2.2 mm
Hour disc	5430	Disc of celluloid/cardboard, 100x100x0.4 mm
House of Vision Distometer Lens calculator	5403	Medical disc of plastic, 149x1 mm Front Scales: Power of trial lens� =� mm� mm
Hunter F. 6 (Clean)	3873	Aviation disc of plastic, 101x1 mm
Hydrographic Office Star Finder and Identifier 2102 - C	1385	By Dura Pro, aviation disc of plastic, 218x0.8 mm� (1942) Front Scales: 1) Back Scales: 2)
IDO/CWI Breda STl-whm. Year 1954	1387	By CWI Breda, military slide rule of plastic, 63x294x2 mm� (15 Dec 1954) Front Scales: 1)� 2)� 3)� 4)� 5)� 6)� 7)� 8) Back Scales: 9)� 10)� 11)� 12)� 13)� 14)� 15)� 16)
Ilford Slide rule for calculation of photo developing time	1389	Photography slide rule of plastic, 298x71x2 mm
ILH	5753	By I.L.H., generic slide rule of wood/plastic
Imac Schroefdraad schuiftabel	1390	Technical slide chart of cardboard, 223x81x1 mm
Inland Revenue D.W.P Calendar 1992/1993 and 1993/1994	5406	Generic disc of plastic, 95x1.5 mm Front Scales: dates� weeks
Institute for Aeronautical Education ER - 1 Professional Flight Computer	5060	Aviation disc
Interservices Water Contamination Calculator 1	1392	Log/tech disc of plastic, 125x1.8 mm Front Scales: 1)� 2)� =� 3)� 4)� =� 5)� 6)
IPV Merlin R�gle de Lecture Directe	5287	Electrical slide chart of cardboard, 260x100x1.1 mm Front Scales: See Picture, Back Scales: See Picture
ITAB 59A Motoren Installationshelfer Siemens	5392	Technical slide chart of plastic/cardboard, 149x56x1.4 mm Front Scales: See Picture, Back Scales: See Picture
Itab Kondensator Rechenstab	3140	Electrical slide rule of plastic, 175x50x4 mm Front Scales: cosj� A� =� B� mf� 1)� 2)� V� =� kw,A� A
Itab magnetic Kalksandstein-Rechner.	1393	Generic slide chart of plastic, 157x42.2x5.4 mm Front Scales: 14cm �/� A� B� =� C� D� Rohdichte� F� =� k� Wanddicke�� 1/L, Back Scales: =� d/l� =
Itab Motoren-Installationshelfer, Siemens ITAB 59A	1395	Technical slide chart of plastic, 150x57x1.5 mm
ITAB Puissance du Moteur Siemens	5375	Technical slide chart of plastic, 148x57x1.8 mm Front Scales: See Picture, Back Scales: See Picture
ITAB Schalten und Schutzen von Motoren Siemens	5384	Electrical slide chart of plastic, 147561.3 mm Front Scales: See Picture Back Scales: See Picture
IWA� 0280 Kapu Erdungseilrechner	1401	Technical slide rule of plastic, 150x40x1.5 mm Front Scales: F�� =� t� Un� =� Nk� J, Back Scales: 15cm
IWA� 0789 �l- und Gasbrenner	1408	Technical slide chart of plastic, 210x90x2 mm Front Scales: 1) - 12), Back Scales: 13) - 22)
IWA� RS 193 Dew Elektroden and St�be	3855	Technical slide chart of cardboard, 163x110x2 mm
IWA 01 182� Calculation of bolts	1411	Log/tech slide rule of plastic, 220x40x3 mm Front Scales: A� =� B� C� =� D� =� E
IWA 01160 Baumasse f�r Spiralbohrer nach DIN und WN	5713	Technical slide chart of cardboard, 251x90x2 mm
IWA 01167 Richtwerte f�r das Fr�sen	5685	Log/tech slide chart of plastic, 165x80x1 mm
IWA 01173 TIZIT Metalwerk Plansee	5687	Log/tech slide chart of plastic, 86x200x1.5 mm
IWA 01177 Oerlikon Boehringer VDF Technik	5705	Log/tech slide chart of plastic, 250x101x1.3 mm
IWA 01194 Einheitswelle Einheitsbohrung	2827	Technical slide chart of plastic, 180x65x1 mm� (1977)
IWA 01206 Roughness Slide Rule for Turning by Prof. Olsen	3290	Log/tech slide rule of plastic, 279x50x2 mm Front Scales: 26cm� /� r� =� v� =� Ra� Rt� \� 10inch
IWA 01313 Machinenzeitrechner	3491	Log/tech slide rule of PVC, 220x50x3 mm� (1981)
IWA 01316 Stanz- und Schnittkraft	1412	Technical slide rule of plastic, 155x40x3 mm Front Scales: 14cm� 1)� 2)� =� 3)� 4)� 5)� =� 6)
IWA 01381 Regolo calcolatore NOVEX	5728	Log/tech slide chart of plastic, 150x95x2 mm Front Scales: 14cm� many scales� 5.5inch Back Scales: many scales
IWA 01414 Hardness Walter	5473	Technical slide chart of plastic, 149x95x1.5 mm� (4-1999) Front Scales: see picture, Back Scales: see picture
IWA 01423 Turning guide	5424	Technical slide chart of plastic, 15090x1.3 mm
IWA 01425 Sortenstufenwahler	5423	Technical slide chart of plastic, 15090x1.3 mm� (2000)
IWA 01429 Novex Regla de Calculo Walter	5470	Technical slide chart of plastic, 159x65x1.8 mm� (2-2001) Front Scales: see picture, Back Scales: see picture
IWA 01429 Novex Regla de Calculo Walter	5471	Technical slide chart of plastic, 159x65x1.8 mm� (2-2001) Front Scales: see picture, Back Scales: see picture
IWA 01432 Tiefbohrtechnik	5467	Technical slide chart of plastic, 204x75x1.2 mm� (8-2001) Front Scales: see picture, Back Scales: see picture
IWA 01437 Tiefbohrsysteme Botek	5472	Technical slide chart of plastic, 204x65x1.3 mm� (7-2002) Front Scales: see picture, Back Scales: see picture
IWA 02118 ITT	1421	Technical disc of plastic, 160x1 mm� (1969) Front Scales: 1)� =� 2), Back Scales: 3)� =� 4)
IWA 02183 Simelectro Powerduct Transoduct Miniduct	5281	Electrical slide chart of plastic, 237x120x1.2 mm� (1984) Front Scales: See Picture Back Scales: See Picture
IWA 022210 Wickeldrahte und Profile	5354	Technical slide chart of plastic, 205x158x1.2 mm� (2002) Front Scales: seepicture, Back Scales: See Picture
IWA 0257 Muiderkring Radio computer	1398	Electrical slide rule of plastic, 155x40x2.7 mm Front Scales: 14cm� A� =� B� 1)� 2)� C� =� D� 3)� 4)� 5inch Back Scales: l2/l1� db� P2/P1� =� sin� lg� tg� =�� table and data
IWA 0268 Impedance	1399	Log/tech slide rule of plastic, 180x45x2 mm Front Scales: 1)� =� 2)� 3)� =� window 1, 2. Back Scales: 4)� =� 5)� 6)� 7)� =� 8)� window 3, 4, 5, 6, 7.
IWA 0272 Muiderkring	1400	Generic slide rule of perspex, 231x40x2.5 mm� (1963) Front Scales: K� S� T� A� =� B� CI� C� =� D� L� 20cm Back Scales: l� w� f� =� C� =� L� Rc� =� C� =� RL
IWA 0276 Ferroxcube Philips	5750	Aviation slide chart of plastic, 280x76x3 mm� (1965) Front Scales: L� C� =� D� A� =� B� K� N� cun� cud� nx0,07� nx0,05� nx0,04� nx0,03, Back Scales: AL� L2� =� N2� N1� =� L1� =� ZI/A� =� me� =� Tand/m� =� Tand &TC� Tand &TC� D� D
IWA 03135� Rohrnetzrechner	1422	Log/tech slide chart of plastic, 280x76x3 mm
IWA 03176� AEG-Telefunken	1423	Technical slide chart of plastic, 210x67x2.5 mm
IWA 03285 Nilfisk Absaug- und Renigungstechnik	5689	Log/tech slide chart of cardboard, 205x90x1.3 mm� (7-92)
IWA 03293 Festo Pneumatic	5714	Log/tech slide chart of plastic, 260x140x1.5 mm� (8-96)
IWA 03304 Pumps Grundfos	5466	Technical slide chart of plastic, 204x94x1.2 mm� (11-1998) Front Scales: see picture, Back Scales: see picture
IWA 03305 Pneumatex	5465	Technical slide chart of plastic, 205x95x1.3 mm� (6-2000) Front Scales: see picture, Back Scales: see picture
IWA 03311 Valve Slide Ruler Honeywell	5460	Technical slide chart of plastic, 209x90x1.6 mm� (6-2000) Front Scales: see picture, Back Scales: see picture
IWA 03314 Salmson Pumpcomputer	5454	Technical slide chart of plastic, 279x140x1.3 mm� (12-2000) Front Scales: see picture, Back Scales: see picture
IWA 03316� Cryostar Pumpcomputer	5453	Technical slide chart of plastic, 297x140x1.6 mm� (01/2002) Front Scales: see picture, Back Scales: see picture
IWA 0364 Denison Pumps	5692	Log/tech slide chart of plastic, 212x92x2 mm� (1962)
IWA 0371 Stralensch�tzrechner	1402	Generic slide rule of plastic, 148x36x1.5 mm Front Scales: A� =� B� C� =� D� E
IWA 0399	1403	Technical slide rule of plastic, 280x76x3 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)� =� 6)� 7)� 8)� =� 9)� 10)� =� 11) Back Scales: 12)� =� 13)� =� 14)� 15)� 16)� =� 17)� 18)� 19)� 20)� =� 21)� 22)� 23)
IWA 0403 Berechnung des Electrodenbedarfs	5278	Technical slide chart of plastic/cardboard, 210x69x1.8 mm Front Scales: See Picture, Back Scales: See Picture
IWA 04090 CrNi - acelok	5350	Technical slide chart of plastic, 210x80x1.2 mm� (1994/1998) Front Scales: seepicture, Back Scales: See Picture
IWA 04097 Selector for Welding Esab	5464	Technical slide chart of plastic, 205x95x1.5 mm� (8-2000) Front Scales: see picture, Back Scales: see picture
IWA 04100 Hardness Values Hasco	5468	Technical slide chart of plastic, 205x65x1.4 mm� (7-2000) Front Scales: see picture, Back Scales: see picture
IWA 0450 Fours Electrique, Tous Combustibles, Automatiques	5706	Log/tech slide chart of cardboard, 210x91x2 mm� (9-79)
IWA 05117 Eternit	3598	Technical slide chart of plastic, 280x90x1.5 mm
IWA 05119� Gewinde Tabellenschieber	1424	Technical slide rule of plastic, 250x651 mm� (1969)
IWA 05136 Fisher Control Valve Sizing Mark VI E	1426	Log/tech slide rule of plastic, 281x41x25 mm� (1968) Front Scales: 1)� 2)� =� 3)� 4)� 5)� 6)� 7)� 8)� 9)� =� 10)� 11) Back Scales: 12)� 13)� =� 14)� 15)� 16)� =� 17)� 18)
IWA 05149 Universal Federnrechner System Diethelm	1428	Generic slide rule of plastic, 281x76x3 mm� (1969) Front Scales: 25cm� 1)� =� 2)� 3)� =� 4)� =� 5)� 6)� 7)� =� 8)
IWA 05155	3083	Water supply slide chart of cardboard, 280x90x2 mm Front Scales: 1)� =� 2)� = 3)� =� 4a)� 4b)� =� 5)� 6)� =� 7) Back Scales: 8)� =� 9)� 10)� 11)
IWA 05222 Toleranzschieber	5355	Technical slide chart of plastic, 290x100x0.9 mm Front Scales: seepicture, Back Scales: See Picture
IWA 05225 Schraubenwahler Bollhoff	5455	Technical slide chart of plastic, 249x170x1.4 mm� (5-2001) Front Scales: see picture, Back Scales: see picture
IWA 0602 Siemens HVAC Products Acvatix	5450	Technical slide chart of plastic, 279x120x1.8 mm� (6-2002) Front Scales: see picture, Back Scales: see picture
IWA 0609� AWF Berlin SR 726	1404	Technical slide rule of plastic, 224x40x3.5 mm Front Scales: Qn� =� L� =� Z� .� Druckdifferenz� =� D� .� Nennweite
IWA 06116 Durchflussmesser	5704	Log/tech slide chart of plastic, 250x90x2 mm� (2-97)
IWA 06116 Durchflussmesser	5707	Log/tech slide chart of plastic, 250x91x1.7 mm� (6-92)
IWA 06121 Pipeline calculation	3493	Log/tech slide rule of PVC, 210x40x2.5 mm
IWA 06150 Gasrohrberechnung	3494	Log/tech slide chart of plastic, 250x75x2.8 mm
IWA 06174 Pipe lines Krom Schroder	5457	Technical slide chart of plastic, 204x160x1.5 mm� (8-2000) Front Scales: see picture, Back Scales: see picture
IWA 06175 Differential pressure calculator	5447	Technical disc of plastic, 139x1.4 mm� (2-2000) Front Scales: see picture, Back Scales: see picture
IWA 06176 Testo Gas	5459	Technical slide chart of plastic, 205x110x1.3 mm� (2000) Front Scales: see picture, Back Scales: see picture
IWA 06178 Unipipe Syatems Heizung/ Kuhlung Wasser/ Sanitar	5451	Technical slide chart of plastic, 279x118x1.5 mm� (6-2002) Front Scales: see picture Back Scales: see picture
IWA 06180 Control Valves Boatronic	5463	Technical slide chart of plastic, 204x94x1.8 mm� (10-2002) Front Scales: see picture, Back Scales: see picture
IWA 06182 Stability Index Calculator G-C Converter	5461	Technical slide chart of plastic, 227x98x2 mm� (3-2002) Front Scales: see picture, Back Scales: see picture
IWA 0651 Wasseragressivit�t	5703	Log/tech slide chart of plastic, 280x76x3 mm
IWA 0652 Gasedaten - Schieber	5273	Technical slide chart of cardboard, 80x220x2.2 mm Front Scales: See Picture, Back Scales: See Picture
IWA 0674� Regle a Culcul de Vannes	2822	Log/tech slide chart of plastic, 280x76x3.3 mm� (1974) Front Scales: 29 scales, Back Scales: 23 scales
IWA 0675 Wasserrohr - Rechner SR 722 Ma	3492	Log/tech slide rule of PVC, 211x40x3 mm
IWA 0678 (Gas flow calculator)	3495	Log/tech slide chart of plastic, 317x65x7 mm Front Scales: 1 thru 8, Back Scales: 9 thru 13� A� B� CI� C� D
IWA 0678 Gulde Regelarmaturen	3858	Technical slide rule of plastic, 318x65x8 mm
IWA 0681 Kennzahlen K f�r Belastungswert Q von Gas-Anlagen	3860	Technical slide rule of plastic, 318x65x8 mm
IWA 0697 Calculateur de Canalisation	3867	Technical slide rule of plastic, 318x65x8 mm
IWA 07067 Carrier airconditioning	5730	Log/tech slide chart of plastic, 86x200x1.5 mm� (1984)
IWA 07115 Oertli Gasbrenner - Oelbrenner	5721	Log/tech slide chart of plastic, 210x88x1.2 mm� (1971)
IWA 07125 Calculateur des conduits d'air	5699	Log/tech slide chart of plastic, 205x90x1.2 mm� (1985)
IWA 07141	1430	Generic disc of plastic, 110x10 mm� (1974) Front Scales: 0)� 1)� =� 2)� 3)� =� 4)� 5)� 6) �7) Back Scales: windows 1)� 2)� 3)
IWA 07190 Olie- en Gasbranders	3065	Technical slide chart of plastic, 210x77x2 mm Front Scales: 1) ..... 12), Back Scales: 13) ..... 25)
IWA 07209 Datenschieber bei Heitzkesseln	3856	Technical slide chart of plastic, 210x80x1.2 mm
IWA 07257 Weishaupt Brenner und Heizsysteme	5693	Log/tech slide chart of plastic, 280x76x3 mm� (1989)
IWA 07262 Electro-Oil	5710	Log/tech slide chart of plastic, 205x95x1.2 mm� (7-96)
IWA 07284 Danfoss Datenschieber	5690	Log/tech slide chart of plastic, 206x110x2 mm� (10-93)
IWA 07297 Schadstoff Rechner Gas	5711	Log/tech slide chart of plastic, 205x95x1.2 mm� (10-94)
IWA 07314 (PL) Weishaupt Palniki i systemy grzewcze	3859	Technical slide chart of plastic, 205x100x1 mm
IWA 07336 Afsluiters IMI Indoor Climate	5462	Technical slide chart of plastic, 204x120x1.8 mm� (09/2001) Front Scales: see picture, Back Scales: see picture
IWA 07358 Danfoss	5456	Technical slide chart of plastic, 205x110x1.8 mm� (1-2001) Front Scales: see picture, Back Scales: see picture
IWA 07367 Datenschieber Flagheitzkorper	5360	Technical slide chart of plastic, 250x140x1.5 mm� (2002) Front Scales: See Picture, Back Scales: See Picture
IWA 07371 Weishaupt	5458	Technical slide chart of plastic, 205x100x1.3 mm� (4-2002) Front Scales: see picture, Back Scales: see picture
IWA 0759	2890	Log/tech slide rule of plastic, 280x40x3 mm Front Scales: 1� =� 2, Back Scales: 3� 4� =� 5� =� 6� 7
IWA 08182 Multi Master Russian Language	5357	Technical slide chart of plastic, 280x2103 mm� (2002) Front Scales: See Picture, Back Scales: See Picture
IWA 08189 Zurrkraft Controller	5428	Technical slide chart of plastic, 205x95x1.2 mm� (2002) Front Scales: seepicture, Back Scales: See Picture
IWA 08191 Materialbedarf fur das Isover Warmdach	5429	Technical slide chart of plastic, 205x95x1.2 mm Front Scales: seepicture, Back Scales: See Picture
IWA 0840 Bemessungsschieber System Vielhaber	5718	Log/tech slide chart of plastic, 340x55x3.5 mm� (1960)
IWA 0843	2677	Log/tech slide rule of plastic, 210x40x3 mm Front Scales: 1)� =� 2)� 3)� =� 4)� 5)
IWA 0853 Dosificator Graphische Betontechnologie	5716	Log/tech slide chart of plastic, 251x183x8 mm� (1965)
IWA 09102 Wire calculator	5694	Log/tech slide chart of plastic, 280x76x3 mm
IWA 09146 Rollenberechnung	3078	Log/tech slide rule of plastic, 180x40x3 mm Front Scales: 1)� =� 2)� =� 3)� =� 4) Back Scales: 5)� =� 6)� 7)� =� 8)� =� 9)
IWA 09172 Rollen- Folien- und Platten - Berechnung	1431	Technical slide chart of plastic, 210x77 mm
IWA 09248 Calculation of I-shaped profiles	3498	Log/tech slide chart of plastic, 210x297x3 mm� (1983)
IWA 09320 Film dimensions and film weight / Roll calculation	5686	Photography slide chart of plastic, 204x65x2 mm� (5-95)
IWA 09361 Aciers de Construction et Inoxidables	5359	Technical slide chart of plastic, 250x130x1.5 mm� (1999) Front Scales: See Picture, Back Scales: See Picture
IWA 09380 PUM Paris-Normandie	5362	Slide chart of plastic, 250x145x1.5 mm� (2000) Front Scales: See Picture, Back Scales: See Picture
IWA 09383 Steel	5356	Technical slide chart of plastic, 250x90x1.3 mm� (2001) Front Scales: seepicture, Back Scales: See Picture
IWA 09384 Oberflachentechnik	5361	Technical slide chart of plastic, 250x140x1.5 mm� (2002) Front Scales: See Picture, Back Scales: See Picture
IWA 10060 - 5.81 Paper Production Calculator	2770	Technical slide rule of plastic, 181x55x2 mm� (1981) Front Scales: 9 scales, Back Scales: �F� �C� ml.C.S� �SR
IWA 10105	1433	Financial disc of plastic, 120x1 mm Front Scales: 1)� =� 2)� =� 3)� =� 4)� =� 5)
IWA 10133	5414	Financial disc of cardboard, 119x1.2 mm Front Scales: Price� =� -%%� +%%� 5.5% 6%� 11% 12%
IWA 10175 Einheitenrechner	1435	Conversion slide chart of plastic, 250x92x2 mm Front Scales: 1)� 2)� 3), Back Scales: 4)� 5)� 6)
IWA 10175 Einheitenrechner	5712	Log/tech slide chart of plastic, 205x95x1.2 mm� (10-94)
IWA 10177	1437	Financial disc of cardboard, 120x1.5 mm Front Scales: 1)� =� %� 2)
IWA 10177 Mit Haas gelingt es immer	5411	Financial disc of cardboard, 120x1.2 mm Front Scales: Preiss� =� -%%� +%%� 8%� 16%
IWA 10179 Einheiten Rechner	3428	Conversion slide chart of plastic, 250x90x2 mm� (1972) Front Scales: Many scales, Back Scales: Many scales
IWA 10193 Verbraucherpreis Rechenschieber	1438	Financial slide chart of plastic, 110x160x1.8 mm Front Scales: 1)� 2) Back Scales: 3)� 4)
IWA 10201 Calculateur de commandes	2826	Financial slide rule of plastic, 316x65x8.5 mm� (1974)
IWA 10232 3M Einheiten-Tabellenschieber	5698	Log/tech slide chart of plastic, 250x111x2 mm� (1976)
IWA 10242 Metric Unit Converter	2833	Technical slide chart of plastic, 250x112x2 mm� (1976)
IWA 10243 Advertising Cost Calculator	2831	Financial slide chart of plastic, 130x1 mm� (1976) Front Scales: 1)� =� 2)� 3)
IWA 10254 Investitionsrechner	1441	Log/tech slide chart of plastic, 250x140x2 mm� (1978) Front Scales: 1)� - 4), Back Scales: 5)� -� 15)
IWA 10283 Kraftstoff Verbrauchsrechner	5312	Technical disc of plastic, 110x140x1.4 mm Front Scales: See Picture, Back Scales: See Picture
IWA 10287 Kraftstoff - Verbrauchsrechner	5348	Log/tech disc of plastic, 100x0.5 mm Front Scales: See Picture, Back Scales: See Picture
IWA 10316 Stoomverlies Rekenschuif	5349	Log/tech slide chart of plastic/cardboard, 160x80x1.1 mm� (1982) Front Scales: See Picture, Back Scales: See Picture
IWA 10322 Einheitentabellenschieber	2829	Technical slide chart of plastic, 85x54x1 mm� (1994)
IWA 10347 Conversion	5371	Conversion slide chart of plastic, 86x54x1 mm� (1986) Front Scales: See Picture, Back Scales: See Picture
IWA 10400 Euro Calculator	3835	Financial disc of plastic, 54x86x1 mm
IWA 10413 Aussaatrechner fur 00-Qualitatsraps	5426	Technical slide chart of plastic, 145x95x1.2 mm
IWA 10421 Aussaatrechner Getreide - Reglette de semis cereales	5425	Technical slide chart of plastic, 140x80x1.2 mm
IWA 10422 Propane data Tyczka	5469	Technical slide chart of plastic, 204x49x1.3 mm� (6-2002) Front Scales: see picture, Back Scales: see picture
IWA 1068 Arnel	1409	Financial disc of plastic, 100x1 mm Front Scales: 1)� 2), Back Scales: 3)� =� 4)� 5)� 6)� 7)
IWA 11075 Flight calculator and Flight Navigator	6011	Aviation disc of plastic, 240x120x6 mm
IWA 1133� Fahrleistungsrechner f�r Nutzfahrzeuge	1410	Technical slide chart of plastic, 210x92x2 mm Front Scales: 1)� 2)� 3)� =� 4)� 5)� =� 6)� 7)� =� 8)� 9)� =� 10)� 11)� =� 12), Back Scales: 13)� =� 14)� 15)� =� 16)� =� 17)� 18)� =� 19)
IWA 14124 S.G. Bier (Heineken)	5720	Log/tech slide chart of plastic, 350x76x3 mm� (1978)
IWA 14127 CO2 in beer	1442	Other slide rule of plastic, 282x39x4 mm� (1978) Front Scales: 1)� =� 2)� 3)� =� 4)
IWA 14131 / 7.95 Calculator for estimation of body surface area	3488	Medical slide rule of ivory, 155x40x3.2 mm
IWA 14162 CO2 in beer	1443	Other slide rule of plastic, 281x40x45 mm� (1982) Front Scales: 1)� =� 2)� 3)� =� 4)
IWA 14177 Tambocor Antiarrhythmikum	2832	Medical disc of plastic, 95x1 mm� (1982) Front Scales: 1)� 2)� 3)� =� 4)
IWA 14308 Die Einser von Adelat Bayer	5700	Log/tech slide chart of plastic, 95x205x1.8 mm� (01-97)
IWA 14313 Soehnle bodyfit	5726	Medical slide chart of plastic, 170x69x2 mm
IWA 14359 Ermittlung der Creatinin	5386	Medical slide chart of plastic, 175x50x1.3 mm� (2000) Front Scales: See Picture, Back Scales: See Picture
IWA 14359/3.00 Creatinin-Clearance	3671	Medical slide chart of plastic, 175x50x1 mm
IWA 14382 X-Ray Energies of Emission Lines and Absorption Edges	5358	Technical slide chart of plastic, 110x230x1.2 mm� (2002) Front Scales: See Picture, Back Scales: See Picture
IWA 14392 Insulin Therapy	5352	Medical slide chart of plastic, 210x95x1.2 mm� (2002) Front Scales: seepicture, Back Scales: See Picture
IWA 14404 Zytostatica und mehr Temodal	5474	Technical slide chart of plastic, 117x155x1.8 mm� (4-2002) Front Scales: see picture, Back Scales: see picture
IWA 14412 Body Mass Index Calculator	5427	Medical slide chart of plastic, 205x90x1.2 mm� (2002) Front Scales: seepicture, Back Scales: See Picture
IWA 1461 Type RS 1	1413	Log/tech disc of plastic, 130x130x2.5 mm Front Scales: 1� =� 2� =� 3� =� 4� =� 5� =� 6 Back Scales: 7� =� 8� =� 9� =� 10� =� 11� =� 12� =� 13
IWA 1482 Blood Gas Calculator	3496	Medical slide chart of plastic, 320x90x9 mm
IWA 15106 Flightcomputer F/RF/TF - 104 G Con./Map	1444	Aviation disc of plastic, 130x2.2 mm
IWA 15224 Tone index calculator	3139	Photography slide chart of plastic, 210x76x3 mm Front Scales: 1)� =� 2)� =� 3)
IWA 15278	1448	Photography disc of plastic, 210x1.5 mm Front Scales: 1)� 2)� 3)� 4)� 5)� 6)� 7)
IWA 15328 RPR Repro Print Rechner	1449	Technical slide rule of plastic, 317x65x7.2 mm
IWA 15363 Fueling Computer B-707 by R. Bargl	5746	Aviation disc of plastic, 170x3 mm� (1977) Front Scales: see picture, Back Scales: see picture
IWA 15365 Mariner Windrechner	1450	Nautical slide chart of plastic, 280x140x2 mm� (1977)
IWA 15379 Rechenstab f�r Saitenberechnung TF 65/2	1452	Music slide rule of plastic, 380x40x32 mm� (1978) Front Scales: 1) - 7), Back Scales: 8) - 10)
IWA 15379 TF 65/2 Rechenstab f�r Saitenberechnung	5719	Log/tech slide chart of plastic, 240x40x3 mm
IWA 15459 Farbw�hlscheibe	5725	Log/tech disc of plastic, 190x1.8 mm Front Scales: Colours, Back Scales: Different materials
IWA 15467 Lufthansa Performance Calculator B747-200/CF6-50E2	5749	Aviation disc of plastic, 200x3 mm� (1987) Front Scales: see picture Back Scales: see picture
IWA 1548 Offset	1415	Technical slide rule of plastic, 150x45x35 mm� (1971) Front Scales: 1)� =� 2)� 3)� =� 4)� 5)� =� 6)� 7)� =� 8)
IWA 15480 Kalkulator Strahlung	3490	Military disc of PVC, 114x2.5 mm
IWA 15489 Harmonik	5701	Log/tech slide chart of plastic, 285x80x1.3 mm� (1981)
IWA 15512 Cocktailw�hler	2830	Bar slide chart of plastic, 87x62x1 mm� (1985)
IWA 15513 DC8-73 German Cargo Fueling Computer by R. Bargl	5748	Aviation disc of plastic, 180x2.5 mm� (1985) Front Scales: see picture Back Scales: see picture
IWA 15525 Cocktails	5372	Food slide chart of plastic, 86x54x1 mm� (1990) Front Scales: See Picture, Back Scales: See Picture
IWA 15531Lufthansa B747 C/D/E Fueling Computer by R. Bargl	5747	Aviation disc of plastic, 180x2.5 mm� (1986) Front Scales: see picture Back Scales: see picture
IWA 15547 Promiller	5370	Medical slide chart of plastic, 54x86x1 mm� (1986) Front Scales: See Picture, Back Scales: See Picture
IWA 15584 / 99	3497	Other disc of PVC, 210x2 mm
IWA 15584/6 The Wine Tracker	5422	Food disc of plastic, 210x2 mm� (1989) Front Scales: See Picture, Back Scales: See Picture
IWA 15595 / 04.90 Radio frequency finder	3489	Technical slide chart of plastic, 110x150x1 mm
IWA 15668 Values of Lenses	5268	Medical slide chart of plastic, 205x110x1.2 mm� (1999) Front Scales: See Picture, Back Scales: See Picture
IWA 15959 Frequenzw�hler	2828	Radio slide chart of plastic, 110x150x1 mm� (1990)
IWA 16070	5724	Generic disc of plastic, 210x2.5 mm Front Scales: C� =� D� %� %� C� %
IWA 1638 System Wern ABC	1416	Technical disc of plastic, 210x210 mm
IWA 1640 Iwaflex	1417	Generic slide rule of plastic, 155x40x3.5 mm Front Scales: 13cm� L� CF� =� DF� CI� C� =� D� A� K� sin� tan
IWA 1647	3091	Financial disc of perspex, 120x1 mm Front Scales: 1)� =� 2)� 3)� = �4)� =� 5)
IWA 1647 (Aristo 60160)	3668	Financial disc of plastic, 120x120x1.5 mm Front Scales: C� =� CI� %� C� %
IWA 1652	3088	Financial disc of perspex, 120x2 mm� (1972) Front Scales: 1)� =� 2)� 3)� =� 4)� 5)
IWA 51 Traub Drehautomaten -� Rechenschieber	5696	Log/tech slide chart of plastic, 238x103x1.8 mm� (1-1-53)
IWA 51173 (of 5)	1454	Generic slide rule of plastic, 280x76x25 mm� (1960) Front Scales: 25cm� A� =� B� K� L� C� =� D� BI� CI� A� =� B� ST� S� T� inch, Back Scales: 10 scales
IWA 5125 Iwaflex	1425	Generic slide rule of plastic, 149x40x1.5 mm Front Scales: K� A� =� B� CI� C� =� D� L� sin� sin/tg� tg
IWA 51455 Valve Size Computer Honeywell	1455	Log/tech slide chart of plastic, 214x51x2 mm
IWA 515.6� Festo Pneumatic	2821	Log/tech slide chart of cardboard, 250x82x2 mm Front Scales: 10 scales
IWA 51508 Steinen �lbrennerd�sen, Sundstrand - Pumpen	5697	Log/tech slide chart of cardboard, 204x90x1.3 mm
IWA 51903 Muiderkring Radio computer	1457	Log/tech slide rule of plastic, 155x40x1.7 mm Front Scales: 14cm� A� =� B� 1)� 2)� C� =� D� 3)� 4)� 5.5inch Back Scales: 5)� 6)� 7)� =� sin� log� tg
IWA 51904 Muiderkring Radio computer	1459	Generic slide rule of plastic, 220x40x3.2 mm Front Scales: 20cm� A� =� B� 1)� 2)� C� =� D� 3)� 4)� 8inch Back Scales: l2/l1� db� P2/P1� =� sin� lg� tg� =�� table and data
IWA 51905 Muiderkring Radio Computer	1460	Generic slide rule of plastic, 154.5x40x2.9 mm Front Scales: 14cm� A� =� B� 1)� 2)� C� =� D� 3)� 4)� 5inch Back Scales: l2/l1� db� P2/P1� =� sin� lg� tg� =�� table and data
IWA 52310 Luftfeuchte	1462	Log/tech slide rule of plastic, 224x40x1.5 mm Front Scales: �C� =� �C� 1)� K� =� K
IWA 526.1 Pfauter	2126	Technical slide chart of plastic, 280x103 mm� (1963)
IWA 5816	1429	Log/tech disc of plastic, 109x1 mm Front Scales: 1)� =� 2)� 3)
IWA 77501 Copyright Gustav Hensel	5475	Technical disc of plastic, 210x2 mm� (9/2001) Front Scales: see picture, Back Scales: see picture
IWA 77505 Copyright Gustav Hensel	5452	Electrical slide chart of plastic, 279x120x1.5 mm� (2/2000) Front Scales: see picture, Back Scales: see picture
IWA 790162 Multiplex GT 24 / VT 20	5351	Technical slide chart of plastic, 210x80x1.2 mm� (2002) Front Scales: seepicture, Back Scales: See Picture
IWA Belimo	5776	Technical slide chart
IWA Discoplan II	5723	Technical disc of plastic, 100x2 mm Front Scales: Many scales, Back Scales: Many scales
IWA Drill data	5729	Log/tech slide chart of aluminium, 148x83x3.5 mm
IWA Flight calculator and Flight Navigator	6010	Aviation disc of plastic, 240x206x6 mm
IWA Maihak Duplex Mono Kreisrechenschieber	5722	Technical disc of plastic, 83x2 mm Front Scales: CO2%� =� Steinkohle Abgasvelust �C Back Scales: CO2%� =� Braunkohle Abgasvelust �C
IWA matic 1650	1418	Generic disc of plastic, 110x9 mm Front Scales: 1)� =� 2)� 3)� =� 4)
IWA Professional Chainwear Gauge	5717	Technical slide chart of plastic, 55x335x4.5 mm� (1993)
IWA RS 1413 Drehbank data	6002	Log/tech slide chart of plastic, 249x101 mm Front Scales: see picture, Back Scales: see picture
IWA RS 150� Schleifscheibe	1414	Technical slide chart of cardboard, 265x102x6 mm
IWA RS 165 VDF Drehbank	5702	Log/tech slide chart of plastic, 241x127x3.2 mm
IWA RS 169 1� Schleifscheibe	1420	Technical slide chart of cardboard, 180x95x2 mm
IWA RS 209 I Stahlbeton Tabellenschieber	5715	Technical slide chart of plastic, 308x132x2.5 mm
IWA RS 517.2 Rieger Pappen Tabellenschieber (Paper)	5695	Technical slide chart of plastic, 208x104x4 mm
IWA SBF 15214 Well Calculator	1446	Log/tech slide chart of plastic, 210x90x2 mm� (1974) Front Scales: 1� =� 2� 3� =� 4� =� 5� 6� =� 7� =� 8� 9� 10 Back Scales: 1� =� 2� 3� =� 4� =� 5� 6� =� 7� =� 8� 9� 10
IWA School Food Service Palm Beach County	5477	Medical disc of plastic, 10.5x1.2 mm Front Scales: see picture, Back Scales: see picture
IWA SR 701 M Sonderrechenstab Maschinenzeit	1407	Log/tech slide rule of plastic, 218x40x4.4 mm Front Scales: v� =� d� 1)� =� s� t� = �l
IWA Stuttgart (written as JWA) Fahr factory	5688	Log/tech slide chart of cardboard, 217x77x1.5 mm� (1932 1933)
IWA Willi Rohrleitungen	2775	Log/tech slide chart of plastic, 254x118x3 mm Front Scales: Many scales, Back Scales: Many scales
Jakar 1005	1468	Generic slide rule of plastic, 285x40x4 mm Front Scales: S� K� A� =� B� CI� C� =� D� L� T
Jakar 1006 D	1469	Generic slide rule of plastic, 292x43x5.4 mm Front Scales: 10inch� /� K� DF� =� CF� CIF� CI� C� =� D� A Back Scales: =� TI1� TI2� L� SI� =
Jakar 1013	3289	Generic slide rule of plastic, 284x37x5 mm Front Scales: 25cm� /� LL2� A� =� B� C� =� D� LL3
Jakar 33 Duplex Log Log	1465	Generic slide rule of plastic, 179x36x4 mm Front Scales: LL-0� K� A� =� B� T� S� C� =� D� P� L� LL0 Back Scales: LL-1� LL-2� LL-3� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Jakar 511	3892	Generic slide rule of plastic, 159x39x4 mm Front Scales: 5inch� /� LL3� LL2� A� = B� CI� C� =� D� K� LL1 Back Scales: =� T2� T1� L� S� =
Jakar 523 D	3286	Generic slide rule of plastic, 151x37x5 mm Front Scales: 13cm� /� K� DF� =� CF� CI� C� =� D� A� \� 5inch Back Scales: =� T2� T1� L� S� =
Jason 802	5047	Generic slide rule
Jeppesen CR - 2	1471	Aviation disc of plastic, 110x35 mm� (1955) Front Scales: 1)� =� 2)� 3)� + 6 windows Back Scales: 4)� =� 5)� =� 6)
Jeppesen CR - 3	3239	Supersonic flight disc of plastic, 152 mm� (1955) Front Scales: Special Scales
Jeppesen CSG - 8 A Flight Computer	1475	Generic disc of metal, 97x242x6 mm
Jeppesen CSG - 8 P Flight Computer	1476	Aviation disc of plastic, 125x240x5 mm Front Scales: 1), Back Scales: 2)
Jeppesen CSG - 9� Flight Computer	1477	Aviation disc of metal, 242x125 mm
Jeppesen E - 6B	1473	Aviation disc of metal, 242x123x10 mm
Jeppesen Jepco Avigation Plotter PV - 2	5034	Aviation instrument of plastic, 187x77x0.6 mm Front Scales: See picture, Back Scales: See picture
Jeppesen Model� R. 2 Computer	1472	Aviation disc of plastic, 109x4 mm� (1955) Front Scales: C� =� D� 1)� 2)� =� 3)� 4)� 5)� 6)� =� 7)� 8)� =� 9)� 10)� =� 11)� 12)� =� 13)� 14), Back Scales: C� =� D� =� 15)
Jeppesen Model CR - 3 Sanderson	3871	Aviation disc of plastic, 152x3 mm� (1955)
Jeppesen Model CR - 5 Computer	3830	Aviation disc of plastic/metal, 95.5x4.5 mm
Jeppesen Sanderson Inc.� MU 514200 B	1478	Aviation disc of plastic, 224x88x1 mm� (1983, 1990)
Jeppesen Sanderson Model CR - 5	3875	Aviation disc of plastic, 95x3 mm
Jersey Average Seismic Velocity	2879	Seismology slide rule of plastic, 330x83x6 mm Front Scales: Tx� =� To� =� 1)� 2)� =� X� V� = Back Scales: =� X� V� =� Tx =� To� To� =� Tx
Johnston Hydraulic Tester	1479	Log/tech slide chart of cardboard, 160x76x1.7 mm
Jorgensen Universal Circle	3678	Generic cylinder of plastic, 99x69.5 mm� (1970) Front Scales: x3� =� x� x� =� x� x� =� x� x2� =� x2
Jubo Zwiegen�ht	1489	Generic disc of metal, 134 mm Front Scales: C� =� D
Kane Mark VI	1490	Aviation disc of metal, 237x97�� 145 mm� (1957)
Kartenwinkelmesser AK - 4	2679	Military disc of plastic, 215x165x0.8 mm� (1975) Front Scales: divers scales
Kartenwinkelmesser with rule. Rule not shown	2730	Military disc of plastic, 164x215x1 mm Front Scales: divers scales
Kasper rioolberekening	1491	Technical slide rule of plastic, 435x78x14 mm Front Scales: 1)� 2)� =� 3)� 4)� =� 5)� 6)� 7)� =� 8)� 9)
Kathrein Antennenwahler	5417	By Kahtrein, technical disc of cardboard, 161x1.5 mm� (1958) Front Scales: Polarisation� =� Kat.No� Type� Gewinn� VR-Verhaltn.� Vert.Offn.W.� Hor.Offn.W.
Keimpema PTT Radiologische Schijf	0097	Technical disc of plastic, 140x1.4 mm Front Scales: 1)� 2)� 3)� =� 4)� 5)
Kempenich Prestilog Profitmeter	5084	Financial disc
Kemperman Schroefbout Afmetingen	1495	Technical slide chart of cardboard, 223x96x1.4 mm
Kemperman Schroefdraadtabel 11313	1494	Technical slide chart
Kent	1496	Generic slide rule of plastic, 151x32x4 mm Front Scales: 13cm� /� K� A� =� B� CI� C�� = D� L Back Scales: =� S �ST� T� =
Kent 7153	1497	Generic slide rule of plastic, 328x44x4.5 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T Back Scales: 25cm� =�� =� 8inch
Kent 7153 LL	1498	Generic slide rule of plastic, 330x44.4x3.8 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T Back Scales: 25cm� =� S� LL2� LL3� =� 8inch
Kent 7300 LL	1501	Generic slide rule of plastic, 330x44x3.7 mm Front Scales: T� K� A� =� B� CI� C� =� D� S� ST� L Back Scales: =� LL1� LL2� LL3� =
Kent 7903 LL	1503	Generic slide rule of plastic, 326x44x3.7 mm Front Scales: T� K� A� =� B� CI� C� =� D� S� ST� L Back Scales: =� LL1� LL2� LL3� =
Kenyon Bruehl Marine Protractor	3524	Nautical protractor of metal, 560x130x20 mm�
Kessler Energy conversion factors	3954	Conversion rule/cursor no slide of plastic, 194x42x1 mm
Keuffel & Esser� < 4053 - 3F > dated 1913	4122	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable	4050	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable dated 1903, 1906, 1909 and 1913	4049	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1900 and 1901	4048	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1914	4519	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1915 (other example)	4743	Generic slide rule
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1915 (other example)	4744	Generic slide rule
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1925 (other example)	4746	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1922	4051	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1922 (other example)	4745	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1925	4052	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1925 (other example)	4747	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4035 > Mannheim Adjustable dated 1906	4054	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4035 > Mannheim Adjustable dated 1915	4056	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4035 > Mannheim Adjustable, dated 1914	4520	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 > Mannheim, dated 1908	4678	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 > Mannheim, dated 1909	4656	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 > Mannheim, dated 1921	4518	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 > Mannheim, dated 1921 and 1922	4654	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 F > Mannheim, dated 1915	4067	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4045 > Mannheim Adjustable	4082	Generic slide rule of Engine divided celluloid laminated mahogany, 420x36x13 mm� (1915, 1921, 1922, 1925, 1927, 1930) Front Scales: 16inch� /� A� =� B� C� =� D� ]� 42cm Back Scales: =� S� L� T� =
Keuffel & Esser < 4053 - 2 > Polyphase Mannheim Adjustable, dated 1915 and 1921	4102	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 2 > Polyphase Mannheim Adjustable, dated 1914	4525	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 2 > Polyphase Mannheim Adjustable, dated 1915 (other example)	4751	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 2 > Polyphase Mannheim Adjustable, dated 1915 (other example)	4752	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3 > Polyphase Mannheim Adjustable	4106	Generic slide rule of Engine divided celluloid laminated mahogany, 270x34.5x10 mm� (1913) Front Scales: 10inch� /� A� =� B� CI� C� =� D� ]� K Back Scales: =� S� L� T� =
Keuffel & Esser < 4053 - 3 > Polyphase Mannheim Adjustable	4107	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3 > Polyphase Mannheim Adjustable	4498	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3F > Poly Keuffel & Esser 4053- 2S Mannheim Adjustable dated 1913 (other example) Magnifier	4757	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3F > Poly Mannheim Adjustable dated 1913 (other example). Magnifier	4756	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3F > Polyphase Mannheim (other example) Adjustable Magnifier	4755	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1914	4527	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 > Polyphase Slide Rule,� Mannheim Adjustable	4094	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4054 > Favorite (Mannheim) adjustable	4144	Generic slide rule of Engine divided celluloid laminated mahogany, 270x2910.5 mm� (1906, 1909, 1913, 1915, 1921, 1922, 1925) Front Scales: A� =� B� C� =� D, Back Scales: =� S� L� T� =
Keuffel & Esser < 4054 > Polyphase (Mannheim)	4145	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4055 > Favorite Adjustable (Mannheim)	4147	Generic slide rule of Engine divided celluloid laminated mahogany, 271x285x105 mm� (1936, 1937, 1939, 1943) Front Scales: A� =� B� C� =� D, Back Scales: =� S� L� T� =
Keuffel & Esser < 4070 - 3 > Polyphase Duplex Trig	4562	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4071 - 3 > Polyphase Duplex Decitrig	4190	Generic slide rule of Engine divided celluloid laminated mahogany, 310x33x6 mm� (1939, 1943, 1944, 1947, 1949, 1954, 1955) Front Scales: K� A� =� B� T� ST� S� =� D� DI Back Scales: DF� =� CF� CIF� CI� C� =� D� L
Keuffel & Esser < 4071 > Duplex	4189	Generic slide rule of Engine divided celluloid laminated mahogany, 308x27x6.7 mm� (1915) Front Scales: A� =� B� C� =� D, Back Scales: A� =� BI� CI� =� D
Keuffel & Esser < 4071 T > Duplex, with Trig Scale, L scale on back, not on edge, dated 1915	4547	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4071 T > Duplex, with Trig Scales, dated 1909	4196	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4080 - 3 > Log Log Duplex Trig	4208	Generic slide rule of Engine divided celluloid laminated mahogany, 318x40.5x6.5 mm� (1939, 1943, 1944, 1947) Front Scales: LL0� LL00� A� =� B� T� ST� S� =� D� DI� K Back Scales: L� LL1� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser < 4080 - 3 > Log Log Duplex Trig	4618	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4080 - 3 > Log Log Duplex Trig.� Replaced 4090-3	4206	Generic slide rule of Engine divided celluloid laminated mahogany, 318x40.5x6.5 mm� (1937) Front Scales: LL00� LL0� A� =� B� T� ST� S� =� D� DI� K Back Scales: L� LL1� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser < 4080 - 3 > S Log Log Duplex Trig	4209	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4080 - 5 > Log Log Duplex Trig	4216	Generic slide rule, 565x40.6x8 mm� (1939, 1943, 1944, 1947) Front Scales: LL0� LL00� A� =� B� T� ST S� =� D� DI� K Back Scales: L� LL1� DF� =� CF� CIF� CI C� =� D� LL3� LL2
Keuffel & Esser < 4080 - 5 > S Log Log Duplex Trig	4217	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4081 - 3 > Log Log Duplex Decitrig	4237	Generic slide rule of Engine divided celluloid laminated mahogany, 318x41x6.5 mm� (1939, 1943, 1944, 1947) Front Scales: LL0� LL00� A� =� B� T� ST� S� =� D� DI� K Back Scales: L� LL1� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser < 4081 - 5 > Log Log Duplex Decitrig,	4253	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4081 - 5 > S Log Log Duplex Decitrig	4254	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4082 - 3 >	4262	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4087 > Duplex	4288	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4088 - 3 > Polyphase Duplex	4301	Generic slide rule of Engine divided celluloid laminated mahogany, 308x30.4x6.6 mm� (1915, 1921) Front Scales: K� A� =� S� T� CI� =� D� L Back Scales: DF� =� CF� CIF� C� =� D
Keuffel & Esser < 4088 - 3 > Polyphase Duplex, dated 1913	4300	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4091 - 3 > Log Log Decitrig.� Replaced by 408 - 3	4320	Generic slide rule of Engine divided celluloid laminated mahogany, 308x30.4x6.6 mm� (1936, 1937P-d) Front Scales: LL0� A� =� B� K� CI� =� T� S2� S1 Back Scales: L� LL1� DF� =� CF� CIF� C� =� D� LL3� LL2
Keuffel & Esser < 4092 - 3 > Log Log Duplex	4326	Generic slide rule of Engine divided celluloid laminated mahogany, 318x41x65 mm� (1922) Front Scales: LL0� A� =� B� S �T� C� =� LL3� LL2� LL1 Back Scales: K� DF� =� CF� CIF� CI� C� =� D� L
Keuffel & Esser < 4097 C >	4762	Generic slide rule
Keuffel & Esser < 4097 C > Ever - There, (Old 4098)	5049	Generic slide rule of Engine Divided White Xylonite, 153x33x3.5 mm� (1936, 1937, 1939, 1943, 1944, 1947, 1949) Front Scales: A� =� B� CI� C� =� D� K Back Scales: 5inch� =� S� L� T� =� 13cm
Keuffel & Esser < 4097 C > Ever - There, 1936 (Old 4098)	4373	Generic slide rule of Engine Divided White Xylonite, 153x33x3.5 mm� (1936, 1937, 1939, 1942, 1943, 1944, 1947, 1949, 1952) Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Keuffel & Esser < 4100 >	4684	Generic slide rule
Keuffel & Esser < 4100 > S Stadia	4385	Generic slide rule of Engine divided celluloid laminated mahogany, 260x25x10 mm� (1922) Front Scales: R� =� H� HC� V� =� A, Back Scales: =� C� B� =� Second line, ' "Rc" the corrected rod reading = 100 X rod reading + (f + c), '
Keuffel & Esser < 4101 > Stadia	4394	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4110 > Special Rule made for Annapolis	4408	Generic slide rule of Engine divided celluloid laminated mahogany,� [from Clark mccoy - built on the N4096 desktop rule frame, using the N4096 improved indicator], 260x25x10 mm� (1942� - JOS, Mar. 1993) Front Scales: P� F A� =� B� T� S� CI� C� =� D, Back Scales:
Keuffel & Esser < 4138 > Morrison Radio Engineer's Slide Rule	4427	Log/tech slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4139 > Cooke Radio Slide Rule	4429	Generic slide rule of Engine divided celluloid laminated mahogany, 310x33x6.5 mm� (1943, 1944, 1947, 1949, 1954, 1955) Front Scales: LC� A� =� B� T� ST� S� =� D� DI Back Scales: L� DF� =� CF� CIF� CI� C� =� D� 2_
Keuffel & Esser < 4165 > of Match no. 4460	4730	Generic slide rule
Keuffel & Esser < 4175 > Kurtz Psychrometric	4465	Technical slide rule of wood/celluloid, 300x40x10 mm� (1936, 1937, 1939) Front Scales: 1� 2� =� 3� 4� 5� =� 6� 7� 8� 9� 10� 11
Keuffel & Esser < 9071 - 3 > Doric	4192	Generic slide rule of Engine Divided White Xylonite
Keuffel & Esser < N 4041 > dated 1925 (other example)	4749	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < N 4041 > Mannheim Adjustable, dated 1936 thru 1943	4078	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4053 - 3 >	4581	Generic slide rule of wood/celluloid
Keuffel & Esser < N 4053 - 3 >	4727	Generic slide rule
Keuffel & Esser < N 4053 - 3 > Polyphase Mannheim Adjustable	4110	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4053 - 3 > Polyphase Mannheim Adjustable	4113	Generic slide rule of Engine divided celluloid laminated mahogany, 270x35x10 mm� (1936, 1937, 1939, 1943, 1944, 1947, 1949) Front Scales: 10inch� /� A �=� B� CI� C� =� D� K� ]� 25cm Back Scales: =� S� L� T =
Keuffel & Esser < N 4053 - 3 > S Polyphase Mannheim Adjustable	4580	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4053 - 3F > S Polyphase Mannheim Adjustable	4127	Generic disc of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4053- 2 > Mannheim Adjustable, dated 1924 (other example)	4754	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4096 > Desk Slide Rule, (same as other N 4096, but without stand, knob, or special case)	4366	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser <4071 - 3> Polyphase Duplex Decitrig	0113	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser <4071 - 3> Polyphase Duplex Decitrig	4568	Slide rule of engine divided celluloid laminated mahogany, with exposed mahogany strips on edge
Keuffel & Esser <4071 T> Duplex with Trig scales, L scale on back, not on edge, dated 1913	4499	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser <4090 - 3> S Log Log Trig.� Replaced by 4080 - 3S	4317	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 10002 Doric with trigonometrical scales divided to represent degrees and minutes	4002	Slide rule of plastic
Keuffel & Esser 1742 - 4 Crane's Sewer Slide Rule	4765	Log/tech slide rule
Keuffel & Esser 1743 Charpentier Calculator, dated 1895	4013	Disc of metal
Keuffel & Esser 1744 1/2 Duplex, dated 1899	4022	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 1744 Duplex with arithmetical slide, dated 1895, Cox's Patent	4020	Generic slide rule of engine divided celluloid laminated wood
Keuffel & Esser 1749 - 4 Crane's Sewer Slide Rule	4410	Slide rule
Keuffel & Esser 1749 Stadia	4379	Slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4012 Thacher cylinder	4005	Generic cylinder
Keuffel & Esser 4012 Thacher cylinder (other example, dated 1910)	4740	Generic cylinder
Keuffel & Esser 4017 Sperry, watch style Pat Oct. 25 1904	4040	Generic watch type of metal/glass
Keuffel & Esser 4017 Sperry's Calculator Pat. Dec. 26. 1911	4041	Generic watch type of metal/glass
Keuffel & Esser 4020 Charpentier Calculator, dated 1906	4014	Disc of metal
Keuffel & Esser 4040 Mannheim dated 1901	4060	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4041 (No number on rule) dated pre 1909	4731	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4041 dated 1906	5808	Generic slide rule
Keuffel & Esser 4041 dated 1906 (other example)	4763	Generic slide rule
Keuffel & Esser 4041 dated 1906 (other example)	4772	Generic slide rule
Keuffel & Esser 4041 dated 1922	5807	Generic slide rule
Keuffel & Esser 4041 F Mannheim, dated 1906	4062	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1903	4655	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1906	4748	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1906 (other example)	4061	Generic slide rule of Engine divided celluloid laminated mahogany, 270x31x10 mm� (1906) Front Scales: 10inch� /� A� =� B� C� =� D� ]� 27cm� #28-52cm# Back Scales: =� S� L� T� =
Keuffel & Esser 4041 Mannheim, dated 1909	4680	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1915	4066	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1922	4677	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4053 - 3 Polyphase Mannheim Adjustable	4582	Generic slide rule of Engine divided celluloid laminated mahogany, with molded plastic back, 278x35x8 mm� (1956) Front Scales: 10inch� /� A�� =�� B�� CI�� C�� =�� D�� K�� \�� 25cm Back Scales: =�� S�� L�� T�� =
Keuffel & Esser 4053 - 3S Polyphase Mannheim Adjustable	4583	Generic slide rule of Engine divided celluloid laminated mahogany, with molded plastic back
Keuffel & Esser 4053 - 3S Polyphase Mannheim Adjustable,	4118	Generic slide rule of Engine divided celluloid laminated mahogany, with molded plastic back
Keuffel & Esser 4058	4729	Generic slide rule
Keuffel & Esser 4058 Student's Slide Rule, printed on light-colored wood, with steel spring	4153	Generic slide ruleslide rule of Light colored wood, 270x29x9 mm� (1915, 1921, 1922) Front Scales: A� =� B� C� =� D, Back Scales: =� S� L� T� =
Keuffel & Esser 4058 W Beginners' Slide Rule	4161	Student slide rule of Light colored wood, 270x28.5x9 mm� (1942,1943) Front Scales: A� =� B� C� =� D, Back Scales: =� S� L� T� =
Keuffel & Esser 4060 Cox's Patent	5804	Generic slide rule
Keuffel & Esser 4060 Cox's Patent	5806	Generic slide rule
Keuffel & Esser 4065 T Duplex Trig	4174	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4070	4182	Generic slide rule
Keuffel & Esser 4070 Duplex	4183	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4070 Duplex	4183	Generic slide rule
Keuffel & Esser 4076 Duplex, Interchangeable Slides	4200	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4081 - 3 Log Log Duplex Decitrig	4243	Generic slide rule of Engine divided celluloid laminated mahogany, 318x41x6.5 mm� (1953, 1954, 1955) Front Scales: LL01� L� K� A� =� B� T� ST� S� =� D� DI� LL1 Back Scales: LL02� LL03� DF� =� CF� CIF� CI� C� =� D LL3� LL2
Keuffel & Esser 4081 - 3S Log Log Duplex Decitrig	4244	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4081 - 3S Log Log Duplex Decitrig	4606	Generic slide rule of Engine divided celluloid laminated mahogany, with exposed mahogany edges
Keuffel & Esser 4083 - 3 Log Log Duplex Vector	4502	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4083 - 3 Log Log Duplex Vector (Also no. 68 - 1434)	4570	Generic slide rule of Engine divided celluloid laminated mahogany, with exposed mahogany edges
Keuffel & Esser 4087 Duplex	4289	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4090 Original prototype for 4090 Universal rule	4622	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4090 Original prototype for 4090 Universal rule, dated 1899	4621	Generic slide rule of engine divided hard wood
Keuffel & Esser 4090 Universal, 2 attached slides, dated 1901, 1903	4313	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4095 - 3 Merchants' Adjustable Duplex	4355	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4095 Triangular Metal	4346	Generic slide rule of metal
Keuffel & Esser 4098 A Pocket Slide Rule	4378	Generic slide rule of Engine Divided White Xylonite, 153x33x3.5 mm� (1936, 1937, 1939, 1943, 1944, 1947, 1949) Front Scales: A� =� B� C� =� D Back Scales: 5inch�� =� S� L T� =� 13cm
Keuffel & Esser 4100 Stadia	4384	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4108 Military Slide Rule	4095	Military slide rule of Engine divided celluloid laminated mahogany, 285x40.9x10.3 mm� (1960) Front Scales: Deg.� Mils� =� Mils� Apex Angle� CI� Base C� =� Range D� A, Back Scales: =� Tan� Sin - Tan� Sin� C� =
Keuffel & Esser 4128 Nordell Sewer Slide Rule, Duplex Type	4415	Log/tech slide rule
Keuffel & Esser 4141 Hudson's Horsepower Computing Scale	4434	Technical slide rule of boxwood
Keuffel & Esser 4143 Kissam Stadia (Also no. 68 1486)	4440	Log/tech slide rule
Keuffel & Esser 4150 - 1 Pocket Slide Rule	4349	Generic slide rule of Ivorite Precison Molded ABS
Keuffel & Esser 4165 Urea Index Rule	4460	Medical slide rule
Keuffel & Esser 4168 Doric Pocket Slide Rule	4478	Generic slide rule of Ivorite Precison Molded ABS, 170x28.5x3.5 mm� (1954, 1955) Front Scales: K� A� =� B� ST� S� =� D� T Back Scales: DF� =� CF� CI� C� =� D� L
Keuffel & Esser 4181 - 1 Pocket Slide Rule (B1. and A2.)	4229	Generic slide rule of Ivorite Precison Molded ABS, 177x38x4 mm� (1954, 1955) Front Scales: LL01� L� K� A� =� B� T� ST� S� =� D� DI� LL1 Back Scales: LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser 4181 - 3 Log Log Duplex Decitrig	4245	Generic slide rule of Ivorite Precison Molded ABS, 317x41x4.5 mm� (1954, 1955) Front Scales: LL01� L� K� A� =� B� T� SRT� S� =� D� DI� LL1 Back Scales: LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser 4yyy	5094	Generic slide rule, 1023x38 mm Front Scales: 50cm� /� A� =� B� C� =� D� #51-101cm# Back Scales: =� S� T� scale 0-1000� =
Keuffel & Esser 68 - 1100 Deci-Lon 10 Instruction model	4468	Generic slide rule of Ivorite Precison Molded ABS, 323x49x4.5 mm� (1962, 1967) Front Scales: Ln-3� Ln-2� Ln-1� Ln-0� A� =� B� T� SRT� S� C� =� D� DI� K Back Scales: Sq1� Sq2� DF� =� CF� CIF� L� CI� C� =� D� Ln0� Ln1� Ln2� Ln3
Keuffel & Esser 68 - 1130 Deci-Lon 5	4469	Generic slide rule of Ivorite Precison Molded ABS, 182x49.5x3.8 mm� (1962, 1964, 1967, 1972) Front Scales: Ln-3� Ln-2� Ln-1� Ln-0� A� =� B� T� SRT� S� C� =� D� DI� K Back Scales: Sq1� Sq2� DF� =� CF� CIF� L� CI� C� =� D� Ln0� Ln1� Ln2� Ln3
Keuffel & Esser 68 - 1210 Decitrig, with sewed leather, chamois lined case, with belt carrier	4248	Generic slide rule of Engine divided celluloid laminated mahogany, 318x415x7 mm� (1962, 1967, 1972) Front Scales: LL01� L� K� A� =� B� T� SRT� S� =� D� DI� LL1 Back Scales: LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser 68 - 1251 Jet-Log (A. and B.)	4251	Generic slide rule of Ivorite Precison Molded ABS
Keuffel & Esser 68 - 1256 Jet-Log (A. and B.)	4252	Generic slide rule of Ivorite Precison Molded ABS
Keuffel & Esser 68 - 1318 Log Log Duplex Trig	4214	Generic slide rule of Engine divided celluloid laminated mahogany, 319x415x7 mm� (1962, 1967) Front Scales: LL01� L� K� A� = �B� T� SRT� S� =� D� DI� LL1 Back Scales: LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser 68 - 1434 Log Log Duplex Vector	4273	Generic slide rule of Engine divided celluloid laminated mahogany, 313x41x7 mm� (1962, 1967) Front Scales: Sh1� Sh2� Th� A = B� T� SRT� S = D� DI� LL01� LL1, Back Scales: LL02� LL03� DF = CF� CIF� CI� C = D� LL3� LL2
Keuffel & Esser 68 - 1565 GP-12	4475	Generic slide rule of Ivorite Precison Molded ABS, 317x45.5x4.5 mm� (pat. 1964, 1966, 1967, 1972) Front Scales: Sq1� Sq2� DF� =� CF� T� SRT� S� CI� C� =� D� A� K Back Scales: D� =� 25cm� 10inch� =� L
Keuffel & Esser 68 - 1617 Polyphase	4119	Generic slide rule of Engine divided celluloid laminated mahogany, 277x36x8 mm� (1962, 1967) Front Scales: 10inch� /� A� =� B� CI� C� =� D� K� \� 25cm Back Scales: =� S� L� T� =
Keuffel & Esser 68 - 1775 Merchants'	4345	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 68 - 1892 K-12 Prep	4445	Generic slide rule of Vinylite laminations, Heat stamped, 311.5x41.5x3.2 mm� (1966, 1972) Front Scales: K� A� =� B� S� CI� T� C� =� D� L
Keuffel & Esser 68 1400 Analon (B..)	4474	Generic slide rule of Ivorite Precison Molded ABS, 317x45.5x4.5 mm� (1967) Front Scales: V2� V1/2� A� =� B� U1/2� U-1� U� C� =� D� V� V-1
Keuffel & Esser American 1	4630	Generic slide rule of wood/plastic
Keuffel & Esser American Mannheim	4584	Generic slide rule of engine divided celluloid laminated blond hardwood, with printed inch and cm rules.
Keuffel & Esser Brick-O-Meter	5660	Log/tech slide rule
Keuffel & Esser Construction	3960	Log/tech slide rule
Keuffel & Esser Deci - Lon Instruction Rule	3842	Slide rule
Keuffel & Esser Military (Picture page 2, case)	4750	Slide rule
Keuffel & Esser Mystery rule	5812	Generic slide rule
Keuffel & Esser N < 4041 > dated 1909 (needs checking)	5809	Generic slide rule
Keuffel & Esser N < 4041 > Mannheim Adjustable	4070	Generic slide rule of Engine divided celluloid laminated mahogany, 270x34.5x4.5 mm� (1925, 1927, 1930) Front Scales: 10inch� /� A� =� B� C� =� D� ]� 25cm Back Scales: =� S� L� T� =
Keuffel & Esser N < 4041 > Mannheim, dated 1924	4055	Slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 2 > S Polyphase Mannheim Adjustable, dated 1925	4104	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 3F > Mannheim Adjustable dated 1923	4704	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 3F > Polyphase Mannheim Adjustable, dated 1925, 1927, 1928, 1930	4126	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1923	4686	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1923	4696	Generic slide rule
Keuffel & Esser N < 4053- 2 > Mannheim Adjustable, dated 1924	4103	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053- 2 > Mannheim Adjustable, dated 1924 (other example)	4753	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4100 > Stadia	4386	Slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4102 > Surveyor's Duplex	4403	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4123 > Roylance	3640	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser N < 4133 > S Roylance Electrical, CI scale added	4517	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N 4012 Thacher's Calculating Instrument	4006	Generic cylinder of wood/plastic
Keuffel & Esser N 4053 - 3	4726	Generic slide rule
Keuffel & Esser N 4053 - 5 Polyphase Mannheim Adjustable, with molded plastic back	4138	Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N 4081 - 3 Log Log Decitrig Duplex	4239	Generic slide rule of Engine divided celluloid laminated mahogany, 317x41x6 mm� (1949) Front Scales: LL01� K� A� =� B� T� ST� S� =� D� L� LL1 Back Scales: LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser N 4092 - 3 Log Log Duplex	4328	Slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N 9081 - 3 Doric Plastic Slide Rule, decitrig scales, all black markings. replaced by N4181-3, 1952	4241	Generic slide rule of Engine Divided White Xylonite, 317.5x41x4.6 mm� (1949,1952) Front Scales: LL01� K� A� =� B� T� ST� S� =� D� L� LL1 Back Scales: LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Keuffel & Esser National Union Radio Tubes	4628	Electrical slide rule
Keuffel & Esser NoNumber	4578	Generic slide rule
Keuffel & Esser Percent of accuracy of estimate	4638	Log/tech slide rule
Keuffel & Esser Polyphase Mannheim Adjustable, no model number shown, marked only "K+E"	4548	Generic slide rule of Engine divided celluloid laminated mahogany, slide is 1/4 inch overlength on the right
Keuffel & Esser Reymond Leather Calculator	4637	Log/tech slide rule
Keuffel & Esser Syrup Rule	4635	Technical slide rule of plastic
Keuffel & Esser U.S. Militairy Short Base Triangulation Model	4096	Military slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser Unknown 4041� Mannheim, dated 1902	4659	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser Unknown 4041� Mannheim, dated 1902	4660	Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser Unknown number Made by Tavernier Gravet, dated 1883	4728	Generic slide rule of polished boxwood
Kieback EQH Kennlinienschieber	5269	Log/tech slide chart of cardboard, 100x205x2.5 mm Front Scales: See Picture, Back Scales: See Picture
Kingson Pocket Calculator with addiator	1544	Generic rule/addiator of aluminium, 158x37.5x7 mm Front Scales: A� =� 5inch� B� C1� C� 14cm� =� D Back Scales: Addiator 6 rows
Klawun 300 Mentor	1546	Generic slide rule of plastic, 297x40x3.2 mm Front Scales: L� DF� =� CF� CI� C� =� D� A� P� sin� tan
Klix Kessler + Luch Conversion	5394	Conversion slide rule of plastic, 194x43x.8 mm Front Scales: See Picture, Back Scales: See Picture
Klix Luchtrekenschuif	5397	Log/tech slide chart of plastic, 225x69x1.8 mm Front Scales: See Picture, Back Scales: See Picture
Klix Rekenliniaal voor Luchtkanalen	5293	Technical slide chart of plastic, 225x66x2 mm Front Scales: See Picture, Back Scales: See Picture
Klix Rekenliniaal voor Luchtkanalen	5294	Technical slide chart of plastic, 225x66x2 mm� (1970) Front Scales: See Picture, Back Scales: See Picture
Klix Rohrnetzrechner f�r Luftkanale	3429	Log/tech slide chart of plastic, 229x75x3 mm
Klix Rohrnetzrechner f�r Luftkan�le	5277	Log/tech slide chart of plastic/cardboard, 225x67x2 mm� (1970) Front Scales: See Picture, Back Scales: See Picture
Klix Universeelschuif voor metalen luchtkanalen	5399	Technical slide chart of plastic, 225x67x1.8 mm� (1970) Front Scales: See Picture, Back Scales: See Picture
Klix W�rmebedarfs Programmrechner	5315	Log/tech slide chart of cardboard/plastic, 295x100x1.6 mm Front Scales: See Picture, Back Scales: See Picture
Kl�ckner Moeller	3681	Technical slide chart of plastic
Knoll ECG liniaal Frequency QT Interval Electrocardiogram	5387	Medical rule no cursor no slide of plastic, 203x50x1 mm Front Scales: See Picture, Back Scales: See Picture
Koch Wasserversorgung und Entw�sserung	1551	Log/tech slide rule of wood/plastic, 279x38x11 mm Front Scales: 26cm� /� J� V� D� =� QJ� Qv� =� 1)� G� L� ]� 10inch
Kodak Eastman Film Kodaguide Color Rendering and Filter Factors	3518	Photography Table of cardboard, 76x117x1 mm� (1940) Front Scales: Tables Back Scales: Tables
Kodak kV - mAs Computer	3478	Photography disc of cardboard, 178x253x1 mm� (1974)
Kodak KvP - Mas Computer	5302	Medical slide chart of cardboard, 178x255x1 mm� (1959) Front Scales: See Picture, Back Scales: See Picture
Kodak Master Photoguide 1951 with 5 discs in 32 pages booklet	2233	Photography disc of cardboard, 96x121x7 mm
Kojevnikov	1552	Military disc of metal, 104x4 mm Front Scales: 1)� 2)� 3)� 4)� 5)� 6)
Kraftstoff-Rechner Gasoline use by cars	5404	Log/tech disc of plastic, 90x3 mm Front Scales: km�� Liter/100 km�� =� Liter, Back Scales: hours
Kratschmer Verlag Kraftstoffverbrauchs Gasoline use by cars	5400	Log/tech disc of cardboard, 90x0.8 mm Front Scales: liter/100km� liter� =� km
Kratschmer Verlag Kraftstoffverbrauchs Gasoline use by cars (Variant)	5401	Log/tech disc of cardboard, 88x0.8 mm Front Scales: liter/100km� liter� =� km Back Scales: NF� Schilling Lire� DM
Kratschmer Verlag Kraftstoffverbrauchs Gasoline use by cars Made for Ford (Variant)	5405	Log/tech disc of cardboard, 89x0.5 mm Front Scales: km�� Liter/100 km�� =� Liter
Kratschmer Verlag Lico Spannenkalkulator	5402	Financial disc of cardboard, 120x1 mm Front Scales: Price� =� %%
Kratschmer Verlag Spannenkalkulator	5415	Financial disc of cardboard, 129x1 mm� (1958) Front Scales: Price� =� -%� +%
Kreisrechenscheibe	2047	Generic disc of metal, 278x14 mm Front Scales: n� =� n� sin� cos� arc tan
Krougovaia Logarifmioueskaia Model Lineikaia KL-1	2298	Generic watch type of plastic, 50.5x15.5 mm Front Scales: A� C Back Scales: C� S� T
Kutsuwa FN 401	1560	Generic slide rule of plastic, 150x27x3 mm Front Scales: A� =� B� CI� C �=� D� K
Kutsuwa Pocket FN 801	1561	Generic slide rule of plastic, 280x33x5 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Ladish Calculator Pipe Design Pressures	1563	Log/tech slide chart of plastic, 212x83x2 mm� (1964) Front Scales: 8 scales, Back Scales: 12 scales
Landis Tool company Grinding machines	1564	Technical disc of plastic, 79x3.5 mm
Lange log and % Calculator	1565	Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: %� A� =� B, Back Scales: %� C� =� %
Lange log and % Calculator	5531	Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: %� A� =� B, Back Scales: %� C� =� %
Lange log and % Calculator 102	2884	Generic disc of cardboard\plastic, 204x4.2 mm Front Scales: %� A� =� B, Back Scales: %� C� =� %
Laring Paris Sector	1568	Generic sector of brass, 166x30x3 mm
Lawrence 011	3863	Generic slide rule of all wood, 267x29x9 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Lawrence 10 - B	1570	Generic slide rule of all wood, 255x28.8x9 mm Front Scales: A� =� B� CI� C� =� D� K
Lawrence 250 - BT	1574	Generic slide rule of all wood, 265x29x9 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Lawrence 6 - 0 w Flashrule	1573	Photography slide rule of all wood, 153x28x8.5 mm� (1946) Front Scales: 1)� =� 2)- 6)� 7)� =� 8)
Lawrence 8 - B	1569	Generic slide rule of all wood, 204x29x9 mm Front Scales: A� =� B� CI� C� =� D� K
Linex 1253	1580	Generic slide rule of plastic, 150x33x3.5 mm Front Scales: 5inch� A� =� B� CI� C� =� D� 14cm
Lios Tiefenrechner F 105 mm (System Ferschel)	3832	Photography disc of aluminium, 80x1.5 mm
Lios Tiefenrechner F 120 mm (System FerscheL)	3475	Photography disc of aluminium, 80x1.5 mm
Lios Tiefenrechner F 135 mm System Ferschel	3470	Photography disc of aluminium, 80x1.5 mm
Lodge & Shiply Lathe	1585	Log/tech disc of plastic, 89x3.5 mm
Loga 30 R Zh	1594	Generic disc of plastic, 125x6 mm Front Scales: A� =� B� R� Z
Loga 30 RC	5764	Generic disc of metal/plastic, 125x6 mm� (1965) Front Scales: A� =� B� R� Z Back Scales: � I� II� III� =� B� L� S.C� W� D
Loga 30 Rtx	3299	Generic disc of plastic/metal, 125x3 mm� (1965) Front Scales: Vorgarn� Ne� A� =� B� R
Loga 30 s RZ	5767	Generic disc of plastic/metal, 125x3 mm� (1960) Front Scales: A� =� B� R� Z
Loga 30 s T	1595	Generic disc of metal/plastic, 125x6 mm� (1965) Front Scales: R1� A� =� B� R� K� L
Loga 30 s T Scholar	5761	Generic disc of metal/plastic, 125x6 mm� (1965) Front Scales: R1� A� =� B� R� K� L
Loga 30 sE	5755	Generic disc of metal/plastic, 125x7 mm Front Scales: A� =� B
Loga 30 T t	2801	Generic disc of metal/plastic, 125x6 mm Front Scales: z� z� A� =� B� R� K� L Back Scales: C� S� T� S&T� LL3� LL2� LL1
Loga 30 Th	5769	Generic disc of plastic/metal, 125x6 mm� (1965) Front Scales: R1� A� =� B� R� K� L
Loga 30 Tt	5772	Generic slide rule of plastic/metal, 125x6 mm� (1960) Front Scales: R1� A� =� B� R� K� L Back Scales: C� S� T� ST� LL3� LL2� LL1
Loga 75 E	1596	Generic disc of metal/cardboard, 290 mm Front Scales: A� =� B
Loga 75 RZ	2799	Generic disc of metal, 290x4 mm Front Scales: A� =� B� R� Z� D
Loga 75 T	2800	Generic disc of metal, 290x4 mm� (1950) Front Scales: log� A� =� B� R� z(1-_)� z(_-10)� tg� cotg� sin� cos
Loga Calculator 15 m Cylinder	1590	Generic cylinder of metal, 630x200x240 mm Front Scales: C� =� D
Loga Calculator 2.4 m� Cylinder	1588	Generic cylinder of metal/cardboard, 350x110x110 mm Front Scales: C� =� D
Loga Calculator 7.5 m Cylinder	2872	Generic cylinder of metal, 480x110x110 mm Front Scales: C� =� D
Loga Doppel-Rechenschieber 15 cm	5771	Generic slide rule of cardboard, 170x43x4 mm� (1915) Front Scales: n3� n2� =� n2� zn� =� zn� Log�� (K� A� = B� C� =� D� L), Back Scales: 1)� Left side A� = B� R� =� C� 2) Right side Z� =� T� D� =� K
Loga Doppel-Rechenschieber 30 cm	1587	Generic slide rule of cardboard/metal, 318x42.5x4 mm Front Scales: Zz� A� =� B� R� C �=� D� Zz Back Scales: 1)� A� =� B� R� = C� 2)
Loga Modell R 30 cm Rechenscheibe	5766	Generic disc of plastic, 125x3 mm� (1955) Front Scales: A� =� B� R
Loga Prazision 6400 A%	5793	Military disc of plastic/metal
Loga Rechenschieberunterricht	3477	School slide rule of cardboard, 220x42x3 mm� (<1910) Front Scales: 20cm� A� =� B� 20cm
Loga Topo 6400 A%	1601	Military disc of metal, 125x6 mm� (1950) Front Scales: n2� A� =� B� SIN.COS� SIN.COS� COS2 Back Scales: C� sin� tg� sin&tg
Logarecta	3652	Financial disc of aluminium, 120x1 mm
Logarex 27103	1604	Generic slide rule of plastic, 148x30x3 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: 4inch� tables� = S� t� =� tables� 10cm
Logarex 27203	1606	Generic slide chart of plastic, 154x38x6 mm Front Scales: 12cm� /� P� K� A� =� B� L� CI� C� =� D� S� T Back Scales: scale 1:25 =� LL1� LL2� LL3� =
Logarex 27251	1614	Generic slide rule of plastic, 154x37x4 mm Front Scales: 13cm� /P� K� A� =� B� CI� C� =� D� sin cos� tg cotg Back Scales: =� LL1� LL2� LL3� =� 5inch
Logarex 27402	5744	Generic slide rule of plastic, 298x45x10 mm Front Scales: 25cm� /� L� K� A� =� B� CI� C� =� D� LL1� LL2� LL3� ]� 1:25, Back Scales: =� Sin� S-T� Tg� =
Logarex 27403 III	3300	Generic slide rule of plastic
Logarex 27602 II Exponent	1611	Generic slide rule of plastic, 327x50x4 mm Front Scales: L� P� K� A� =� B� CI� C� =� D� S� T� ST Back Scales: LL1� LL2� LL3� CF� =� DF� DIF� CI� A� =� D� LL03� LL02� LL01
Logarex 27606 Trig	3480	Generic slide rule of plastic, 330x42x4 mm Front Scales: 26cm� DF� =� CF� CIF� CI� C� =� D A� K Back Scales: ST� T1� T2� =� CI� C� =� D� P� S
Logarex 27607 Studio	1603	Generic slide rule of plastic, 326x49x4 mm Front Scales: LL01� LL02� LL03� A� =� B� L� K� C� =� D� LL3� LL2� LL1, Back Scales: ST� T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S
Logomat� 2001 Pfifikus Passavant	1650	Generic disc of metal, 48x1 mm Front Scales: 1), Back Scales: 2)� =� 3)� 4)
Logomat 10222 Calculator met Mehrwertsteuer	1675	Financial disc of plastic, 85x118x1.8 mm
Logomat 1300 / 1301	1644	Generic disc of aluminium/plastic, 70x1.3 mm Front Scales: C� =� D
Logomat 1300 / 1302	1645	Generic disc of aluminium/plastic, 70x1.3 mm Front Scales: C� =� D� K
Logomat 1300 / 1303	1646	Generic disc of metal, 70x1 mm Front Scales: 1)� =� 2)� 3)
Logomat 15298 Calorie�nteller	5344	Medical slide chart of plastic, 124x140x1 mm Front Scales: See Picture, Back Scales: See Picture
Logomat 15311 P-schijf Tankboy	1677	Technical disc of plastic, 109x138x1.2 mm
Logomat 1703 Pfiffikus	1647	Generic disc of metal, 48x0.5 mm Front Scales: 1)
Logomat 2001 Pfiffikus one sided	1651	Generic disc of metal, 48x1 mm Front Scales: C
Logomat 2300	1653	Generic disc of plastic, 91x10 mm Front Scales: 1), Back Scales: 0
Logomat 3101	1654	Log/tech disc of plastic, 115x139x1.2 mm
Logomat 3202 Tankboy	1655	Technical disc of plastic, 48x76x1 mm� (1971) Front Scales: 1)� =� 2)� 3)
Logomat 3203 Tankboy	1656	Technical disc of plastic, 48x75x1.2 mm� (1971) Front Scales: 1)� 2)� 3)
Logomat 3301 Calculator mit Mehrwertsteuer	1657	Financial disc of plastic, 87x1.2 mm Front Scales: 1)� =� 2)� 3)
Logomat 3303/4	3504	Disc
Logomat 3307 Calculator	1662	Financial disc of plastic, 110x45x1 mm Front Scales: 1)� =� 2)� 3)
Logomat 3501 Prozent Rechner	1663	Financial disc of plastic, 90x120x0.8 mm Front Scales: 1)� =� 2)� 3)
Logomat 3503 Prozent Rechner	1676	Financial disc of plastic, 85x118x1.8 mm
Logomat 3701 Steuer Computer	1664	Financial disc of plastic, 90x120x1 mm Front Scales: 1)� =� 2)� 3)� 4)� 5)
Logomat 4206 Devis-o-mat	1665	Financial disc of plastic/paper, 70x1.2 mm Front Scales: 1)� =� 2)
Logomat 450	1641	Generic disc of plastic, 90x120x1 mm Front Scales: D� =� C� CI� =� L� =� B� K
Logomat 4501 Kunstharze Hoegst	1666	Generic disc of plastic, 90x120x1 mm Front Scales: 1)� =� 2)� 3)� =� 4)� =� 5)� 6)
Logomat 4605 Tankboy	1667	Technical disc of plastic, 70x92x1.2 mm Front Scales: 1)� =� 2)
Logomat 5102 Promiller	1668	Financial disc of plastic, 48x72x1 mm� (1971) Front Scales: 1)� 2)� =� 3)� 4)
Logomat 5105	3503	By Norma, log/tech disc of plastic, 106 mm
Logomat 5105 Promiller	1669	Financial disc of plastic, 70x1.2 mm Front Scales: 1)� =� 2)� 3)� 4)
Logomat 5301 Punktwerter Olympia	1670	Other disc of plastic, 193x93x1 mm� (1972)
Logomat 6101 Tankboy	3502	Disc
Logomat 6401 Automaster	1671	Technical disc of plastic, 70x125x1 mm Front Scales: 1)� =� 2)� 3)� resp.� 4)� =� 5)� 6)� =� 7)� =� 8) Back Scales: 9)� 10)� resp.� 11)� =� 12)
Logomat 9034 Calcumat Rohr/Voll-material	1672	Technical disc of plastic, 90x166x1 mm Front Scales: 1)� =� 2)� =� 3)� =� 4) Back Scales: 5)� =� 6)� =� 7)� 8)� =� 9)
Logomat 9036 Cyclo Getriebe Rechner	1673	Technical disc of plastic, 90x120x1 mm Front Scales: 1)� =� 2)� =� 3)� =� 4)
Logomat 9036/01 Analogizer	1674	Conversion disc of plastic, 92x122x1.5 mm Front Scales: 1)� 2)� 3)� 4)� 5)� 6) Back Scales: 7)� 8)� 9)� 10)� 11)� 12)
Logomat 910 Helanca Garn Rechner	1623	Generic disc of plastic, 90x120x1 mm Front Scales: D� =� C� CI� =� L� =� B� K Back Scales: 1)� 2)� 3)� 4)� 5)� 6)� 7)
Logomat 912 Sili Rechner	1643	Log/tech disc of plastic, 90x120x1 mm Front Scales: 1)� =� 2)� 3)� =� 4)� 5)� 6)� 7)� 8)� 9)
Logomat B - 747B Fueling Computer	1622	Aviation disc of plastic, 161x2 mm� (1971)
Logomat Calculator Blue	1633	Financial disc of plastic, 87x1.2 mm Front Scales: 1)� =� 2)� 3)
Logomat Calculator green MWS (Mehrwertstuer)	1629	Financial disc of plastic, 90x120x1 mm Front Scales: 1)� =� 2)� 3), Back Scales: 4)� 5)
Logomat Conversion	1617	Conversion disc of plastic, 148x11x1 mm Front Scales: 1)� 2), Back Scales: 3)� 4)
Logomat Conversion	1618	Conversion disc of plastic, 90x120x1 mm Front Scales: 1), Back Scales: 2)
Logomat Cursboy	1619	Financial disc of plastic, 49x72x1 mm Front Scales: 1)
Logomat De Beers Ind. Diam. Div.	1616	Technical disc of plastic, 90x120x1 mm Front Scales: 1)� 2)� =� 3)� 4)� =� 5) Back Scales: 6)� 7)� =� 8)� 9)� =� 10)
Logomat Druck/Temperatur Rechner	1621	Technical disc of plastic, 90x120x1 mm Front Scales: 1), Back Scales: 2)� 3)
Logomat Kalorien Z�hler	1624	Medical disc of plastic, 126x140x1.5 mm Front Scales: 1)� 2) 3), Back Scales: 4)
Logomat KUKA - Trafomat schijf	1627	Generic disc of plastic, 96x126x1 mm Front Scales: 1)� 2)� =� 3)� =� 4)� =� 5) Back Scales: 6)� 7)� =� 8)� 9)
Logomat Kurstaler DM/$ Barclays	1615	Financial disc of plastic, 48x1 mm Front Scales: 1)
Logomat Mietpreis Rechner MMV	1628	Financial disc of plastic, 92x129x1 mm Front Scales: 1)� =� 2)
Logomat Preispr�fer kalender 1972	1631	Financial disc of plastic, 96x129x1 mm� (1972) Front Scales: 1)� =� 2)
Logomat Promiller schijfje	1632	Financial disc of plastic, 48x1 mm Front Scales: 1)� 2)� =� 3)� =� 4)
Logomat Rechenger�te	1640	Financial disc of plastic, 13x4.6x0.4 mm Front Scales: C� %
London Name Plate� MK.3 14A / 4200 Image Speed, Height, Ground Speed, Time Interval Computor	1691	Aviation disc of metal, 166x3 mm Front Scales: 1)� 2)� =� 3) �4) Back Scales: 5)� =� 6)� 7)� =� 8)
London Name Plate 6B / 2645	1683	Aviation disc of plastic, 145x7 mm
London Name Plate 6B / 2652� Range and Endurance Computer MK 1 Meteor	1684	Aviation disc of metal, 166x4 mm
London Name Plate 6B / 2835 / 3145	1688	Aviation disc of plastic/metal, 145x7 mm
London Name Plate 6B / 3206 Protractor Navigation	2226	Aviation protractor of plastic, 140x222x4.5 mm Front Scales: 1)� 2)� 3)� =� 4)
London Name Plate Mark 4 Ref no. 6B / 490 Navigational Computer Dead Reckoning	1742	Aviation disc of metal, 282x125x6 mm Front Scales: C� =� D� 1)� =� 2)� =� 3)� =� 4) Back Scales: 5)� =� 6)
London Name Plate Mark II 6B / 131 Height and Air Speed	1680	Aviation disc of metal, 146x10 mm� (1939) Front Scales: 1)� 2)a+b� 3)� 4)� 5)
London Name Plate Mark IV 6B / 345 Height and Air Speed	1682	Aviation disc of metal, 230x10 mm
London Name Plate MK 1A Vampire 6B / 2653 Range and Endurance Computer	1685	Aviation disc of metal, 166x4 mm
London Name Plate MK 1B Seahawk 6B / 2710 Range and Endurance Computer	1686	Aviation disc of metal, 165x5 mm Front Scales: 1)� =� 2)� + window 1� =� window 2 and 3 Back Scales: 3)� =� 4)� + window 4� =� window 5 and 6
London Name Plate NATO 6B / 6605	1690	Aviation disc of plastic/metal, 85x190x7 mm Front Scales: 1)� =� 2)� 3) + 2 windows, Back Scales: 4)� =� 5)
Loszt�lyu Logar MSZ 4617 57	1692	Generic slide rule of wood/plastic, 297x39.4x11.5 mm Front Scales: 27cm� lg� /� K� A� =� B� CI� C� =� D� P� ]� sin� tg Back Scales: =� LL1� LL2� LL3� =
Lovelace Foundation Nuclear Bomb Effects Comp.	1693	Military disc of plastic, 130x1 mm� (1962)
Lummert SR 726 Sonderrechenstab	2766	Log/tech slide rule of plastic, 224x40x3 mm
Lutz 102 S	1694	Generic slide rule of plastic, 314x41x7 mm Front Scales: S� K� A� =� B� CI� C� =� D� L� T
Maandblad Doe het Zelf Schroeven schijf	5319	By Doe het Zelf, technical slide chart of cardboard, 197x89x0.6 mm Front Scales: See Picture, Back Scales: See Picture
Maier's Drehbare Sternkarte	2882	Astronomy disc of cardboard, 179x179x2.2 mm Front Scales: 1)� =� 2)� 3)
Man Water levering (Water supply)	5337	By de Man, technical disc of cardboard, 100x150x1 mm Front Scales: See Picture, Back Scales: See Picture
Mandt Feldspat	5320	Technical slide chart of cardboard, 94x215x1 mm Front Scales: See Picture, Back Scales: See Picture
Marcantoni 10 NB	3837	Generic slide rule of plastic, 122.5x25x4 mm Front Scales: 11cm� /� A� =� B� CI� C� =� D Back Scales: =� S� L� T� =
Marcantoni 12.5 AB	3838	Generic slide rule of plastic, 155x31.5x4 mm Front Scales: 14cm� /� A� =� B� C� =� D Back Scales: 5inch� =�� =
Marcantoni 12.5 RE	1696	Electrical slide rule of plastic, 155x30.6x3.4 mm Front Scales: 14cm� /� cos�� A� =� B� CI� C� =� D� cos�� #DYN-MOT� Volt#, Back Scales: =� S� L� T� =� 5inch
Marcantoni 12.5 RM	3839	Generic slide rule of plastic, 157x31x4 mm Front Scales: 14cm� /� E� D� =� C� R� B� =� A� L Back Scales: =� S� S&T� T� =
Marcantoni Elciv	3840	Electrical slide rule of plastic, 166.5x38x4 mm Front Scales: BI� BII� BIII� BIV� BV� =� DIV� DIV-BIS� 1)� =� db
Marci Univerbel Calculateur Vitrage/ �tag�res	5654	Technical slide chart of cardboard, 220x100x3 mm Front Scales: See picture Back Scales: See picture
Markant 510	3900	Generic slide rule of plastic, 151x27x3.5 mm Front Scales: A� =� B� CI� C� =� D� K
Masoneilan Cv-Wert Scala	5301	Log/tech slide chart of cardboard, 296x160x1.2 mm Front Scales: See Picture, Back Scales: See Picture
Masoneilan Valve Size Calculator	2752	Log/tech slide chart of plastic, 216x55x3 mm
Mattern M-2	1700	Aviation disc of metal, 47x194x3 mm� (1949) Front Scales: 1)� =� 2)� =� 3)� 4) Back Scales: 5)� =� 6)� 7)� =� 8)� 9)
Matthijssen rule 2	3469	Slide rule of bakelite/celluloid, 550x88x11 mm
Matthijssen rule 3	3467	Slide rule of bakelite/celluloid, 440x88x11 mm
Matthijssen rule 4	3517	Slide rule of wood/celluloid, 550x110x120 mm
Matthijssen rule 642	3468	Slide rule of bakelite/celluloid, 550x89x12 mm
MDS London	1701	By M.D.S. London, generic slide rule of wood/plastic, 280x32x11 mm Front Scales: 10inch� /� A� =� B� C� =� D
Mear Audco Rockwell Gas Flow Calculator	1703	Log/tech disc of plastic, 144x5 mm
Mear Comprehensive Conversion Calculator	1702	Conversion disc of plastic, 146x4.5 mm� (1978)
Mear Comprehensive Conversion Calculator M1	1704	Conversion disc of plastic, 146x4.5 mm
Mear Conversion Calculator	2755	Conversion disc of plastic, 127x5 mm
Mear Pipe Flow Calculator	1706	Log/tech disc of plastic, 142x6 mm Front Scales: 1)� 2)� 3)� =� 4)� 5)� =� 6)� 7)� 8) Back Scales: 9)� 10)� 11)� 12)� =� 13)� 14)
Medische Electronica Portanje	5380	Medical rule no cursor no slide of plastic, 160x40x0.4 mm Front Scales: See Picture, Back Scales: See Picture
Megaprint Benzine verbruikscijfers	5334	Technical slide chart of cardboard, 200x195x1 mm Front Scales: See Picture, Back Scales: See Picture
Megapromotions Afstandstabel	1707	Technical slide chart of cardboard, 109x159x0.8 mm� (1986)
Meierhofer Swissair Navigator 11054	1709	Aviation disc of metal, 105x6 mm Front Scales: 1)� =� 2)� 3)� =� 4)� 5)� =� 6), Back Scales: 7)� =� 8)
Meissner� >> System Rietz <<	1721	Generic slide rule of wood/plastic, 299x40x11.5 mm Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 10inch Back Scales: =� sin� sin/tg� tg� =
Meissner� 75/2 b	1714	Generic slide rule of wood/plastic, 299x40x11 mm Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 10inch Back Scales: =� sin �sin/tg� tg� =
Meissner� VEB Galvanotechnik Leipzig	3558	Electrical slide rule of plastic, 261x44x4 mm Front Scales: K� A� =� B� CI� C� = D� L Back Scales: G� 1� =� 2� 3� 3� 4� 4� =� 5
Meissner 1172 Schulrechner	1715	Generic slide rule of plastic, 316x40x4 mm Front Scales: A� =� B� CI� C� =� D, Back Scales: C� =� D� C� =� D
Meissner 1731543 KG > RIETZ ARCUS <	1717	Generic slide rule of plastic, 325x43x4 mm Front Scales: L� A� DF� =� CF� CI� C� =� D� S� T� ST
Meissner 1731543/1�� KG > RIETZ - ARCUS LL� <	1719	Generic slide rule of plastic, 325x43x4 mm Front Scales: L� A� DF� =� CF� CI� C� =� D� S� T� ST Back Scales: =� LL1� LL2� LL3� =
Meissner DDR 1731421 > DARMSTADT RECORD <	1716	Generic slide rule of plastic, 333x48x4 mm Front Scales: L� K� A� =�� B� CI� C� =� D� LL1� LL2� LL3 Back Scales: P� S� ST� DF� =� CF� CIF� CI� C�� =� D� T1� T2� DI
Mercator B 3 Computor	3512	Aviation disc of aluminium, 120x268x3.5 mm
Mercator B 4 Computor	1722	Aviation disc of aluminium, 120x268x3.5 mm Front Scales: 1)� C� =� D� 2)� 3)� =� 4)� =� 5)� =� 6)� =� 7) Back Scales: 8)� 9)� =� 10)
Mercator Computor Type 100	3513	Aviation disc of aluminium, 120x268x3.5 mm
Merchants Graphic Profit Finder	3908	By Graphic Calculator Co, log/tech disc of plastic, 102x1 mm� (1948)
Mercura La Regle Commerciale	3653	Financial disc of aluminium, 80x2 mm
Mercura Type 5.5 - 7 RC	2825	Financial disc of metal, 90x2.6 mm Front Scales: C� =� %%� 1)2), Back Scales: C� =� %%� 3)4)
Messdreieck 34�� Re - Ge - 68	2060	Military instrument of metal
Metallograph Musketry Model of 1918	1735	Military slide rule of metal, 121x29x2.2 mm� (1918) Front Scales: =� 1)� 2)� =� 3), Back Scales: 4)� 5)� =� -� =� 6)
Microcom Modem Selector	5340	Computer slide chart of cardboard, 234x102x1 mm� (1991) Front Scales: See Picture, Back Scales: See Picture
MIG Flight computer	3603	Aviation disc on body of plastic, 200x180x15 mm
Mignon 770	1726	Generic slide rule of plastic, 150x33x3.6 mm Front Scales: A� =� B� C� =� D
Militairy Japan 1943	3516	Disc
Military NR - 8	3691	Aviation slide rule of wood/celluloid, 230x38x7 mm Front Scales: Degrees� =� Degrees� Sinus� 1)� =� Tangens� Entfernungen (km), Back Scales: 2)� =� Zeit� Temp.� =� H�he
Mindling Adding machine	5058	Calculate instrument
Minefield Calculator	5260	Military slide chart of plastic/cardboard, 170x116x1.3 mm Front Scales: See Picture, Back Scales: See Picture
Moker Heizflachenrechner	2769	Log/tech slide chart of metal, 223x6.8x2.3 mm
Molter "Late" model	2018	Generic disc of metal/celluloid, 65x6 mm� (1923, 1925) Front Scales: A� C� =� D, Back Scales: n1� n3� tg.� Sin.� Log.
Molter "Very Early" model	3422	Generic disc of metal/celluloid, 58x3.8 mm� (1923, 1925) Front Scales: A� C� =� D, Back Scales: K� C� L
Morin	5437	Generic slide rule of wood/celluloid, 289x32x10.5 mm Front Scales: 25cm� /� A� =� B� C� =� D� ]� 29cm� #29-58cm# Back Scales: =� S� L� T� =
Morin R�gle de Correction des Vitesses de Coupe	3569	Technical disc of celluloid, 94v2 mm Front Scales: V� =� L� Vo� =� E
Morin Regle Henri	1733	Generic slide rule of celluloid, 122x28x3 mm Front Scales: A� =� B� C� =� D
Morin R�gle pour Essais des Duret�s des M�talix (Metal hardness meter)	2881	Technical disc of plastic, 91x1.5 mm� (1961) Front Scales: 1)� =� 2)� 2)� =� 3)
Morin R�gle pour le Percage	3570	Technical disc of celluloid, 94x2 mm Front Scales: V� =� do� Vo� =� a
Motoren Installations-Helfer Siemens	5398	By Siemens, technical slide chart of aluminium, 210x52x1 mm Front Scales: See Picture, Back Scales: See Picture
Multor Addimult Sumax - E	3880	By Made in Western Germany, generic disc of plastic/metal, 89x3 mm
Murphy The Weightmeter	1734	By George Murphy Inc, conversion disc of plastic, 75x1 mm� (1914)
Myron Paint Calculator	1730	Log/tech slide rule of plastic, 162x29x2 mm� (1952) Front Scales: A� =� B� C� =� D
Napier set of blocks	3448	Generic blocks of all wood
National Foundation Depth Calculator	5285	Log/tech slide chart of plastic, 217x108x1.6 mm� (1992) Front Scales: See Picture, Back Scales: See Picture
Natrilix Cardiovascular Risc Calculator	1447	Medical disc of plastic
Nautical Scale of Power and Speed	2333	Nautical slide rule of all wood, 360x94x11 mm Front Scales: 1)� =� 2)� 3)� =� 4), Back Scales: 5)� =� 6)� =� 7)
Nautical Tek. no. 3460� 116	2676	Nautical slide rule of perspex/aluminium, 322x54x16 mm
Navigational Computer MK. III H REF. no. 6B / 250	1741	Aviation disc of metal/bakelite, 135x155x26 mm
Navy Department Drift Angle Computer Device 1-CH-1	3529	Aviation disc of plastic, 110x2 mm
NBC voorspellingsset NSN 6665 13 108 7501 and 6665 13 108 7097	2859	By Memento NBC, log/tech disc of plastic, 102x2.5 mm� (1973)
Nederlandse Benzolmaatschappij	5306	By NBM, technical slide chart of cardboard, 155x176x1.2 mm Front Scales: See Picture, Back Scales: See Picture
Neolt 25 R Bergamo Italy Rietz	3850	Generic slide rule of wood/plastic, 292x39.5x12 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25 Back Scales: =� S� S&T� T� =
Neolt TS 10	3887	Generic slide rule of plastic, 120.5x25x2.5 mm Front Scales: 10cm� /� A� =� B� C� =� D
Nestler	1748	Generic slide rule of plastic, 148x30.8x3.5 mm Front Scales: 13cm� /� K� A �=� B� CI� C� =� D�� cos� Back Scales: =� S� ST� T� =
Nestler	2812	Generic slide rule of wood/celluloid, 275x31x9 mm Front Scales: 10inch� /� A� =� B� C� =� D� ]� 27cm� #28-53cm# Back Scales: =� S� L� T� =
Nestler 0114	1892	Generic slide rule of plastic, 148x31x3.5 mm Front Scales: 5inch� / A� =� B� C� =� D
Nestler 0115	1893	Generic slide rule of Anagit, 149x31.5x3.6 mm Front Scales: 13cm� /� A� =� B� C� =� D Back Scales: = �S� ST� T� =
Nestler 0121 Darmstadt	1896	Generic slide rule of Anagit, 153x37.5x4.4 mm Front Scales: 13cm� /� P� K� A� =� B� CI� C� =� D� S� T Back Scales: =� LL1� LL2� LL3� =
Nestler 0123 Rietz	1904	Generic slide rule of Anagit, 149x30.5x3.5 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Nestler 0127 International	1915	Generic slide rule of Anagit, 153x37.5x4.3 mm Front Scales: 13cm� /� Fraction of 1 inch� 32nd� mm� A� =� B� CI� C� =� D� Factors, Back Scales: =� �F� �C� =
Nestler 0137 Elektro	1922	Electrical slide rule of Anagit, 154x37.5x4.5 mm Front Scales: 13cm� /� Dynamo Motor Volt� A� =� B� CI� C� =� D� cos�, Back Scales: =� <sin� lg� <tg� =
Nestler 0140 Kaufmann	1924	Generic slide chart of Anagit, 148x30x3 mm Front Scales: 13cm� /� DF� =� CF� CI� C� =� D
Nestler 0149 Stahlbeton - Maarschalk. Front side only	5499	Generic slide rule of Anagit
Nestler 0202 Multimath - Duplex Instruction rule for 0289 and 0292	5487	Generic slide rule of wood
Nestler 0203 Alpha Instruction rule for 0251	5493	Generic slide rule of wood
Nestler 0204 Polymath - Duplex Instruction rule for 0291	5488	Generic slide rule of wood
Nestler 0205 Darmstadt Instruction rule for Darmstad models. Front side only	5491	Generic slide rule of wood
Nestler 0206 Rietz Instruction rule for Rietz models. Front side only	5492	Generic slide rule of wood
Nestler 0207 Kaufman Instruction rule for 0140, 0401 and 0409. Front side only	5490	Generic slide rule of wood
Nestler 0208 Delta Instruction rule for 0252, 0253 and 0254. Front side only	5489	Generic slide rule of wood
Nestler 0210 Darmstadt	1928	Generic slide rule of wood/plastic, 296x38x11.8 mm Front Scales: 27cm� lg� /�� K� A� =� B� CI� C� =� D� P� ]� S� T Back Scales: =� LL1� LL2� LL3� =
Nestler 0218 Darmstadt	1935	Generic slide rule of Anagit, 295x49x8 mm� (1962) Front Scales: 27cm� /� L� K� A� =� B� CI� C� =� D� P� S� T Back Scales: =� LL1� LL2� LL3� =
Nestler 0235 Rietz	1940	Generic slide rule of wood/plastic, 578x43.5x13.9 mm Front Scales: 56cm� /� K� A� =� B� CI� C� =� D� L� ]� 21inch Back Scales: =� S� S&T� T� =
Nestler 0238 Rietz	1942	Generic slide rule of Anagit, 293x39x7.5 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� sin� sin.tan� tan� =
Nestler 0239 Rietz	1945	Generic slide rule of Anagit, 295x38x6 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Nestler 0249� Elemathic	1954	Generic slide rule of plastic, 300x40x4 mm Front Scales: K� A� =� B� R� C� =� D� L Back Scales: 27cm�� <sin� <sin.tg� <tg� 10inch
Nestler 0250 Multimathic	1955	Generic slide rule of plastic, 299x40x4 mm Front Scales: K� A� =� B� R� C� =� D� L Back Scales: 27cm� <sin� <sin.tg� <tg�� LL2� LL3� 10inch
Nestler 0251 Alpha	1956	Generic slide rule of Anagit, 300x40x4 mm Front Scales: K� A� =� B� CI� C� =� D� L, Back Scales: S� ST� T
Nestler 0252 Beta	1958	Generic slide rule of plastic, 320x40x10 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: M� DF� =� CF CIF� CI� C� =� D� Z
Nestler 0253 Gamma	1959	Generic slide rule of Anagit, 320x39.7x4 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: T1� T2� DF� =� CF� CIF� CI� C� =� D� S� ST
Nestler 0260 Mecanica	1962	Generic slide rule of wood/plastic, 295x38.8x11.8 mm Front Scales: 27cm�� 1)� /� 2)3)� 4)� =� 5)� 6)� 7)� C� =� D� 8)� /� lg-tan� sin, Back Scales: =� 9)� 10)� 11)� =
Nestler 0270 Pr�zision	1963	Generic slide rule of wood/plastic, 295x39x12 mm Front Scales: 27cm�� L1� L2 /� D� C1� =� C2� CI1� CI2� D1� =� D2� S1� ]� K1� K2, Back Scales: =� S1� S2� T1� T2� =
Nestler 0280� Geometer	1964	Generic slide rule of wood/plastic, 295x38.2x11 mm Front Scales: 27cm� /� L� D� =� 1)� ST� C� =� D� A� ]� K� BI Back Scales: =� S� S&T� T� =
Nestler 0281 Geometer 400�	5495	Log/tech slide rule of wood/celluloid
Nestler 0289 Rietz Duplex	1965	Generic slide rule of Astralon, 360x48x4.5 mm Front Scales: L� K� A� =� B� BI� CI� C� =� D� R1� R2 Back Scales: T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S� ST
Nestler 0290	1966	Generic slide rule of plastic, 335x47.7x4 mm Front Scales: LL01� LL02� LL03� A� =� B� L� K� C� =� D� LL3� LL2� LL1 Back Scales: CT� T� ST� DF� =� CF� CIF� CI� C� =� D� P� S� CS
Nestler 0291 Polymath Duplex	1967	Generic slide rule of Astralon, 355x48x4 mm Front Scales: LL01� LL02� LL03� A� =� B� L� K� C� =� D� LL3� LL2� LL1 Back Scales: CT� T� ST� DF� =� CF� CIF� CI� C� =� D� P� S� CS
Nestler 0292 Multimath Duplex	1968	Generic slide rule of Astralon, 357x48x4.5 mm Front Scales: P� S� T1� T2� A� =� B� K� CI� C� =� D� R1� R2� L� ST, Back Scales: LL00� LL01� LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1� LL0
Nestler 0297 Elektronik	5494	Electrical slide rule of Astralon
Nestler 0330 Chemiker	1972	Generic slide rule of Anagit, 294x38x8 mm Front Scales: 27cm� /� 1)� =� 2)� CI� C� =� D� L Back Scales: =� 3)� CI� C� =
Nestler 0370 Electro	1974	Generic slide rule of wood/plastic, 296x38x11.5 mm Front Scales: 27cm� /� V� A� =� B� CI� C� =� D� U� ]� LL3� K Back Scales: =� <sin� <sin.tan� <tan� =
Nestler 0401 Mercur	1978	Generic slide rule of Anagit, 295x39x7.5 mm Front Scales: 27cm� /� %� DF� =� CF� CI� C� =� D� conversionfactors, Back Scales: = �LL1� qn� %� C� =
Nestler 0409 Schul - Merkur	5497	Generic slide rule of Anagit
Nestler 0432	1982	Generic slide rule of wood/plastic, 295x38.2x11.8 mm Front Scales: 27cm� 1)� / 2)� 3)� A� =� 4)B� 5)6) �7)� C� =� D� lg� /� 8)� 9), Back Scales: =� 4)� B� 5)� 6)� C� =
Nestler 0438 Stahlbeton System Jakob	1985	Concrete slide rule of wood/plastic, 295x38x12 mm Front Scales: 27cm� gh(kx)� gh(kz)� /� K� A� =� B� R(Fe)� C� =� D� gh(m)� ]� gh(kf)� 1), Back Scales: =� <sin� <sin,tan� <tan� =
Nestler 0440 van Maarschalkerwaart Stahlbeton	1986	Concrete slide rule of Astralon, 357x48x4.2 mm Front Scales: 1)� K� A� =� B� CI� C� =� D� 2)� L Back Scales: T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S� ST
Nestler 10	2305	Generic slide rule of wood/celluloid, 249x39x11.5 mm Front Scales: 28cm� /� A� =� B� C� =� D� ]� 29.4cm Back Scales: =� S� L� T� =
Nestler 11 D	1790	Generic slide rule of plastic, 154x37x4.5 mm Front Scales: 13cm� /� P� K� A� =� B� CI� C� =� D� T� S Back Scales: =� LL3� LL2� LL1� =
Nestler 11 M	1793	Generic slide rule of plastic, 152x31x3.5 mm Front Scales: 13cm� /� A� =� B� C� =� D Back Scales: =� S� lg� T� =
Nestler 11 R	3130	Generic slide rule of plastic, 148x31x3.5 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Nestler 11 ZE	1796	Electrical slide rule of plastic, 148x30.2x3.3 mm Front Scales: 13cm� /� cosj� A� =� B� CI� C� =� D� cosj�� #DYN MOT� Volt#, Back Scales: =� S� L� T� =
Nestler 11 ZM	1798	Generic slide rule of plastic, 148x30.5x3.4 mm Front Scales: 13cm� /� A� =� B� C� =� D Back Scales: =� S� L� T� =
Nestler 11 ZO	1799	Generic slide rule of plastic, 148x30.5x3.3 mm Front Scales: 13cm� /� A� =� B� C� =� D
Nestler 11 ZR	1801	Generic slide rule of plastic, 149x30.5x3.3 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Nestler 12 b	3679	Generic slide rule of wood/plastic, 145x26.5x8.5 mm Front Scales: 12cm� /� A� =� B� C� =� D� ]� 14cm Back Scales: =� S� L� T� =
Nestler 14	1806	Generic slide rule of wood/plastic, 275x37x10 mm Front Scales: 25cm� /� A� =� B� C� =� D� ]� 27.5cm�� #30-55cm# Back Scales: =� S� L� T� =
Nestler 1413 Wichman 400g	3666	Generic slide rule of wood/celluloid, 295.5x38.5x11 mm Front Scales: L� C� =� sinxcos cos2� ST� C� =� D� A� ]� D� BI Back Scales: =� S S&T� T� =
Nestler 20 Rietz	1810	Generic slide rule of wood/plastic, 294x38x11.5 mm Front Scales: 28cm� /� K� A� =� B� C� =� D� L� ]� 1:25 Back Scales: =� S� S&T� T� =
Nestler 2010	5053	Generic slide rule
Nestler 21 a Darmstadt	1817	Generic slide rule of wood/plastic, 580x43x12.5 mm Front Scales: 55cm� L� /� K� A� =� B� CI� C� =� D� sincos� ]� sin� tg Back Scales: =� LL1� LL2� LL3� =
Nestler 23 Rietz	1822	Generic slide rule of wood/plastic, 285x37x11.4 mm Front Scales: 25cm� /� K� A� =� B� C� =� D� L� ]� 1:25�� #31-57cm#, Back Scales: =� S� S&T� T� =
Nestler 23/52	1848	Generic slide rule of plastic, 293x39x6 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Nestler 24 Rietz	1849	Generic slide rule of wood/plastic, 570x43.5x13.5 mm Front Scales: 55cm� /� K� A� =� B� CI� C� =� D� L� ]� 56cm� #58-106cm#, Back Scales: =� S� S&T� T� =
Nestler 27 Pr�zision	1855	Generic slide rule of wood/plastic, 280x37x11 mm Front Scales: 25cm� /� C� R1� =� R1� L� R2� =� R2� 1)� ]� S� K� #31-53cm#, Back Scales: =� S� T� =
Nestler 28 Universal	1856	Generic slide rule of wood/plastic, 284x37x11 mm Front Scales: 27cm� /� L� D� =� sin.cos� cos2� C� =� D A� ]� K� 1)� #29-54cm#, Back Scales: =� S� S&T� T� =
Nestler 3	2806	Generic slide rule of wood/celluloid, 277x26x9 mm Front Scales: A� =� B� C� = D, Back Scales: 27cm� 10inch
Nestler 37 Electro	1866	Generic slide rule of wood/plastic, 279x37x10.6 mm Front Scales: 25cm� /� V� A� =� B� C� =� D� U� ]� LL3� K�� #30-56cm#, Back Scales: =� S� S&T� T� =
Nestler 39 Electro	1875	Generic slide rule of wood/plastic, 150x26x8 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)� = 6) Back Scales: =� 14cm� 7)� =
Nestler 4	2891	Generic slide rule of wood/celluloid, 275x26x9 mm Front Scales: A� =� B� C� = D Back Scales: 27cm� =� S S&T� T� = 10inch
Nestler 40	1878	Generic slide rule of all wood, 275x31.5x9.4 mm Front Scales: 25cm� /� Z� =� T� M� D� K� ]� 27cm Back Scales: =� L� S� d� =
Nestler 41	1883	Generic slide rule of wood/plastic, 115x16.8x5.5 mm Front Scales: A� =� B� C� =� D Back Scales: 11cm� =� S� CI� T� =� 4inch
Nestler 43a Stahlbeton (Sch�fer)	1889	Concrete slide rule of plastic, 295x38x11.5 mm Front Scales: 27cm� 1)� /� 2)� 3)� A� =� B� 4)� 5)� 6)� 7)� C� =� D� lg� ]�� 8) �9), Back Scales: =� B� 4)� 5)� 6)� 7)� C� =
Nestler 9	1781	Generic slide rule of wood/celluloid, 295x32x10 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: 29cm� =� S� S&T� T� =� 11inch
Nestler ABL 1962 Commanders Radiation Guide	3672	Military disc of plastic
Nestler Bewegingen langs de Weg	1763	Generic slide rule of plastic, 295x38.8x6.6 mm Front Scales: 27cm� /� 1)� =� 2)� 2)� =� 3), Back Scales: 10inch
Nestler Cross-section of 29 slide rules	5486	Generic instrument
Nestler Darmstadt	2837	Generic slide rule of plastic, 162x38x4 mm Front Scales: 15cm� /� P� K� A� =� B� CI� C� =� D� S� T Back Scales: =� LL1� LL2� LL3� =
Nestler Elemath Log Log	1764	Generic slide rule of plastic, 348x50x4 mm Front Scales: L� K� A� =� B� BI� CI� C� =� D� LL1� LL2� LL3 Back Scales: T1� T2� DF� =� CF� CIF� CI� C� =� D� P� S� ST
Nestler Flugzeit	1768	Aviation slide rule of wood/plastic, 585x52x12.5 mm Front Scales: 1)� /� 2)� =� 3)� 4)� =� 5)� \� 6)�� #� 7)� #
Nestler Flugzeit	1776	Aviation slide rule of wood/plastic, 296x38.6x11.4 mm Front Scales: 1:300000� /� 1)� =� 2)� 3)� =� 4)� ]� 1:100000� #90-170#
Nestler Rietz	1746	Generic slide rule of wood/plastic, 275x37.5x10 mm Front Scales: 25cm� /� K� A� =� B� C� =� D� L� ]� 1:25 Back Scales: =� S� T� =
Nestler Rietz	1756	Generic slide rule of plastic, 156x32x4.5 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Nestler Rietz	1757	Generic slide rule of wood/plastic, 275x37.5x10 mm Front Scales: 25cm� /� K� A� =� B� C� =� D� L� ]� 1:25 Back Scales: =� S� S&T� T� =
Nestler Rietz - S	1773	Generic slide rule of plastic, 156x31.4x4.2 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Nestler Schul - Rietz	1750	Generic slide rule of plastic, 310x43x4.8 mm Front Scales: 30cm� 15-0-15cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Nestler Stahlbeton System Maarschalk	1769	Concrete slide rule of plastic, 148x32x3.5 mm Front Scales: 13cm� /� w(kx)� A� =� B� w(kh)� C� =� D� w(kz) plus 5 formules, Back Scales: =� S� ST� T� =
Newton slide rule to calculate Ax3+Bx2+Cx=D	3851	Mathematics slide rule of wood/plastic, 350x206x12 mm
Nicholl App. Obs of Fire Mk VI	2876	Military slide rule of aluminium/brass, 405x35x6 mm� (1918) Front Scales: K� =� K, Back Scales: K� =� S
Night Photographic Flash Sighting Angle and Release Distance Computer 6B / 3132	1990	Aviation disc of metal, 180x6 mm Front Scales: 1)� 2)� 3)� 4)� =� 5)� 6)� 7) Back Scales: 8)� 9)� =� 10)� 11)
Nomo Type 0	3243	Disc
Nomus SKF Rollenlager	1991	Technical slide chart of plastic, 260x65x2.8 mm
NoName	1559	Generic disc of metal, 176x2.6 mm Front Scales: C� =� D
NoName	1993	Generic slide rule of plastic, 151x32x4.5 mm Front Scales: 13cm� /� A �=� B� CI� C� =� D� K Back Scales: =� S� L� T� =
NoName	1995	Generic slide rule of plastic, 151x32x4.5 mm Front Scales: 13cm� /� A� =� B� CI� C� =� D� K Back Scales: =� S� L� T� =
NoName	1996	Generic slide rule of plastic, 150x37x4.4 mm Front Scales: 13cm� /� A� =� B� CI� C� =� D� K� \� 5inch Back Scales: =� S� L� T� =
NoName	1997	Generic slide rule of plastic, 150x37x4.4 mm Front Scales: 13cm� /� A� =� B� CI� C� =� D� K� ] �5inch Back Scales: =� S� L� T� =
NoName	1998	Generic slide rule of plastic, 151x32x4.5 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
NoName	2003	Generic slide rule of plastic, 147x31x3.8 mm Front Scales: 14cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
NoName	2004	Generic slide rule of plastic, 160x38x4.2 mm Front Scales: 15cm� /� LL3� LL2� A� =� B� CI� C� =� D� K� LL1 Back Scales: =� T2� T1� L� S� =
NoName	2006	Generic slide rule of plastic, 292x42.4x5 mm Front Scales: 25cm� /� K� DF� =� CF� CIF� CI� C� =� D� A Back Scales: =� S� ST� T� L� =
NoName	2007	Generic slide rule of plastic, 305x52x6 mm Front Scales: 28cm� /� K� A� =� B� BI� CI� C� =� D� P� S� T Back Scales: =� L� LL1� LL2� LL3� =
NoName	2008	Generic slide rule of plastic, 165x28x2 mm Front Scales: A� =� 15cm� B� R� C� 6inch� =� D
NoName	2009	Generic slide rule of plastic, 163x29.2x1.8 mm Front Scales: A� =� 6INCHES� B� CI� C� 15METRIC� =� D Back Scales: =� S� L� T�� =
NoName	2012	Generic slide rule of plastic, 151x27x3.3 mm Front Scales: A� =� B� CI� C� =� D� K
NoName	2013	Generic slide rule of plastic, 152x27x3 mm Front Scales: A� =� B� CI� C� =� D� K
NoName	2015	Generic slide rule of plastic, 152x27x3 mm Front Scales: A� =� B� CI� C� =� D� K
NoName	2019	Generic slide rule of plastic, 150x27x3.6 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
NoName	2020	Generic slide rule of plastic, 286x40x3.5 mm Front Scales: S� K� A� =� B� CI� C� =� D� L� T
NoName	2021	Generic slide rule of plastic, 313x40x3.5 mm Front Scales: S� K� A� =� B� CI� C� =� D� L� T
NoName	2023	Generic slide rule of plastic, 285x40x3.5 mm Front Scales: S� K� A� =� B� CI� C� =� D� L� T
NoName	2024	Generic slide rule of plastic, 155x31x3.2 mm Front Scales: S� K� A� =� B� CI� C� =� D� L T1
NoName	2026	Generic disc of plastic, 121x1 mm Front Scales: C� =� D
NoName	2031	Generic slide rule of plastic, 151x32x4.5 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
NoName	2032	Generic slide rule of plastic, 163x29x1 mm Front Scales: 6inch� A� =� B� CI� C� =� D� 15cm Back Scales: S� L� T
NoName	2033	Generic slide rule of plastic, 149x32x4 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
NoName	2038	Generic slide rule of plastic, 150x34x4 mm Front Scales: 5inch� A� =� B� CI�� C� =� D� 14cm
NoName	2039	Generic slide rule of wood/plastic, 145x26x9 mm Front Scales: 13cm� /� A� =� B� C� =� D� ]� 14cm Back Scales: =� S� L� T� =
NoName	2787	Generic slide rule of plastic, 294x40x7.5 mm Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� sin� sin/tg� tg� =
NoName	3249	Generic slide rule of plastic, 295x45x4 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
NoName	3256	Generic slide rule of plastic
NoName	5653	Generic slide rule of plastic, 151x27x3.3 mm Front Scales: A� =� B� CI� C� =� D� K
NoName	5751	Generic slide rule of wood/celluloid
NoName	5786	Generic slide rule of wood/plastic
NoName (Nestler)	5657	By� (Nestler), generic slide rule of all wood
NoName 57 (Concise 28 Copy)	2082	By Hong Kong, generic disc of plastic, 80x3.5 mm Front Scales: D� =� C� CI� A� K
NoName Birth disc Moeders Voor Moeders	1260	Medical disc of plastic, 90x1.2 mm Front Scales: 1)� =� 2)
NoName Black disc	3076	Generic disc of metal, 131x1 mm Front Scales: C� =� D
NoName Dwarswindschijf	2050	Aviation disc of metal, 191x2 mm
NoName Energy disc	2051	Conversion disc of plastic, 62x9 mm Front Scales: 1)� =� 2)� = 3)� =� 4), Back Scales: 5)� 6)� =� 6)
NoName Gauging	2053	Alcohol slide rule of all wood, 305x27x22 mm� (Before 1824) Front Scales: Many scales, Back Scales: Many scales
NoName Percentage Rekenliniaal	2057	Financial disc of cardboard, 180/190x1.2 mm Front Scales: C� =� 1)� 2), Back Scales: C� =� 3)� 4)
NoName Pocket slide rule	1992	Generic slide rule of plastic, 102x23x4.5 mm Front Scales: 10cm� /� A� =� B� C� =� D
NoName Procentor	2059	Financial disc of plastic, 90x3.2 mm Front Scales: C� =� D� %
NoName Sector	2064	Generic sector of bone, 152x36x3 mm Front Scales: L� [� 12inch� L� S� C, Back Scales: S� T� T� T� s� N
NoName Sector	3446	Generic sector of brass, 154x27x3 mm
NoName Sector wood	3447	Generic sector of all wood, 152x35x4.5 mm Front Scales: L� [� 12inch� L� S� C, Back Scales: S� T� T� T� s� N
NoName Slide Rule	3941	Generic slide rule of plastic, 152x32x4 mm Front Scales: 5inch� /� K� DF� =� CF� CI� C� =� D� A Back Scales: =� T2� T1� L� S� =
NoName Spirit rule	3514	Spirit slide rule of wood/metal, 226x25x4.5 mm
NoName Temperature correction disc	3137	Technical disc of metal, 98x2 mm Front Scales: 1)� =� 2)� =� 3)
NoName Victor 'B' MK 2	2637	Aviation disc of plastic, 161x3 mm Front Scales: TOTAL� 1� 3� 4� 5� 6� TOTAL (less tank 10)� 7� 8� 11� 12 Back Scales: TOTAL� 1� 3� 4� 5� 6� TOTAL� 7� 8� 10� 11� 12
NoName Watch type calculator	2017	Generic watch type of metal/bakelite, 50x14 mm Front Scales: A� C, Back Scales: C� S� T
NoName Wooden (only front side)	5780	Slide rule of all wood
Noralem Industries Regle a Curseur	5314	Technical slide chart of cardboard, 300x100x1.5 mm Front Scales: See Picture, Back Scales: See Picture
Norelco Miles per gallon and Twenty three year calender	2085	Log/tech disc of metal, 42.5x1.4 mm� (1955) Front Scales: Miles driven� = �Miles per Gallon� = Gallons
Norma 100 Gambrinus	2087	Log/tech disc of plastic, 106 mm Front Scales: units� A� =� B� 1)� 2)� cos
Norma 100 Grafia	2086	Log/tech disc of plastic, 106x6 mm Front Scales: C� =� D� 1)
Norma 190 Gambrinus	3515	Generic disc of metal, 190x5 mm
Normus NT 62 J. Ebersp�cher Glasdachwerk System Huber (IWA)	5708	Log/tech slide chart of cardboard, 243x91x1.7 mm
Normus NT 71a Eisenbetonplatte System Huber (IWA)	5709	Log/tech slide chart of cardboard, 245x91x1.5 mm
Normus- Schieber Nussbaum No. 2/7 (IWA)	5691	By IWA, log/tech slide chart of cardboard, 220x70x1 mm� (1924)
Norton Rekenschijf voor Slijp- en Polijstschijven	2764	Log/tech disc of plastic, 149x87x1 mm
Novotni Slide Rules Weight Slide Rule	3281	Log/tech slide rule of wood/plastic, 354x64x6.5 mm� (1959) Front Scales: Thickness� =� Width� Length� =� Subjects� =� Weight in Pounds
Novotni Weight Slide Rule	5077	Log/tech slide rule
Nuclear Yield M4A1	5059	Military disc
Ohico Electro 15	2093	Electrical slide rule of wood/plastic, 280x36x11 mm Front Scales: 26cm� /� LL2� A� =� B� C� =� D� LL3� ]� 10inch� #Dynamo Motor h%� Volt#, Back Scales: =� S� L� T� =
Ohico System Rietz	3128	Generic slide rule of wood/plastic, 278x36x11 mm Front Scales: 26cm� /� K� A� =� B� C� =� D� L� ]� 10inch Back Scales: =� S� ST� T� =
Omaro Choix des Presses Hydrauliques	5284	Technical slide chart of cardboard, 270x122x1.2 mm� (1966) Front Scales: See Picture, Back Scales: See Picture
Omaro Forets	2100	Technical slide chart of cardboard, 230x100x2 mm� (1937)
Omaro P . 12 Duret�s, Toles, Fers plats	2098	Technical slide chart of cardboard, 259x120x2 mm� (1935)
Omaro P . 12 Duret�s, Toles, Fers plats	5364	Technical slide chart of cardboard, 261x120x1.5 mm� (1935) Front Scales: See Picture, Back Scales: See Picture
Omaro P.10 Corni�res, Rivets, Trusquinage	2096	Technical slide chart of cardboard, 259x120x2 mm� (1935)
Omaro P.8 Fers Plats, Fers Carr�s, Toles, Feuillards	2099	Technical slide chart of cardboard, 259x120x2 mm� (1936)
Omaro Poids Des Tubes En Acier En Barres Poids	2095	Technical slide chart of cardboard, 230x100x2 mm� (1939)
Omaro T.3 Denture.	2097	Technical slide chart of cardboard, 259x120x2 mm� (1932)
Omaro U.2 Curseur d'Ajustements Solex	3432	Technical slide chart of cardboard, 120x262x1 mm Front Scales: Many scales, Back Scales: Many scales
Opstalan Schuifmetertje Benzineverbruik	5393	Technical slide chart of cardboard, 159x50x0.7 mm Front Scales: See Picture, Back Scales: See Picture
Orgelbau Fachverlag System Rensch (Organ)	3583	By Mensur, music slide rule of plastic, 395x92x2.5 mm� (1986)
OTK� PRK 69	5436	Military disc of plastic, 240477x16 mm Front Scales: 1-10000� =� Ctg� Cosec Back Scales: 1-10000� =� tg� Sec
OTK no 1 Russian	2719	Military slide rule of wood/plastic, 550x44.5x9 mm� (1970-1981) Front Scales: 1)� =� 2)� 3)� =� 4), Back Scales: 5)� =� 6)� =� 7)
OVVM thuis-taxateur	5421	Disc
Padotorhna Russian	3886	Technical slide rule of wood/metal
Parisian Novelty Co Travenol Minislide	3898	Medical slide rule of plastic, 165x30x1.5 mm Front Scales: D� =� 6inch� C� B� 15cm� =� A
Penol 1005A	2107	Generic slide rule of plastic, 285x40.2x3.8 mm Front Scales: S� K� A� =� B� CI� C� =� D� L� T
Penol 102A	2105	Generic slide rule of plastic, 282x42.8x5 mm Front Scales: 25cm� /� A� =� B� CI� C� =� D� K� ]� 10inch Back Scales: =� S� L� T� =
Penol 521A	2106	Generic slide rule of plastic, 151x27x3.2 mm Front Scales: A� =� B� CI� C� =� D� K
Perilog	2108	Generic disc of plastic, 77x2.7 mm Front Scales: C� =� D, Back Scales: L� =� S
Perrygraf� GE - CTF- 212	2122	Aviation disc of plastic, 191x2 mm� (1986) Front Scales: 1)� 2)� 3)� =� 4)� + 2 windows� 5)� =� 6)� 7)� 8)
Perrygraf Air Conveyer Calculator	2749	Log/tech slide chart of cardboard, 235x102x2 mm� (1962)
Perrygraf Air-Gas� and Steam-Liquid Orifice Flow Calculator	0685	Log/tech slide chart of cardboard, 280x91x2 mm� (1961) Front Scales: 1)� =� 2)� 3)� 4)� =� =� 5)� =� 6)� =� 7)� =� 8)� =� C� =� D, Back Scales: 9)� =� 10)� 11)� 12)� =� =� 13)� 14)� =� =� 15)� 16)� =
Perrygraf Beam Computer	2112	Log/tech slide chart of cardboard, 236x102x2 mm� (1971)
Perrygraf Cameron Flange	2113	Technical slide chart of cardboard, 255x102x2 mm� (1959)
Perrygraf Cameron Honest John Bean Selector	0584	Log/tech disc of plastic, 165x2 mm� (1957) Front Scales: 1)� 2)� =� 3)� 4), Back Scales: 5)� 6)� =� 7)
Perrygraf Capacitance Inductance Reactance and� Vector Impedance Calculator	5288	Electrical slide chart of cardboard, 214x79x2 mm� (1971) Front Scales: See Picture Back Scales: See Picture
Perrygraf Cooling Water Calculator	2753	Log/tech slide chart of plastic, 202x64x2 mm
Perrygraf Dewpoint Conversion Chart	2751	Technical slide chart of cardboard, 214x80x2 mm� (1967)
Perrygraf Edwards Laboratories 106132� Cardiac Calculator	5391	Medical slide chart of cardboard, 159x81x2 mm� (1979) Front Scales: See Picture Back Scales: See Picture
Perrygraf Flange Fittings	2746	Technical slide chart of cardboard, 252x102x2 mm
Perrygraf Gas Turbine Computer, Pratt & Whitney Aircraft	2116	Aviation disc of plastic, 128x1 mm� (1957) Front Scales: P� =� N� A� M� 1)� 2)� 3) Back Scales: 4)� 5)� =� 6)� 7)� 8)� 9)
Perrygraf Gasoline Mileage Guide	3890	Technical slide chart of cardboard, 110x63x1 mm
Perrygraf Glulam Beam Calculator	2744	Log/tech slide chart of cardboard, 213x77x2 mm
Perrygraf Grinnell Selector	2747	Technical slide chart of cardboard, 305x133x2 mm� (1959)
Perrygraf Metric Conversion Slide Rule	5290	Conversion slide chart of cardboard, 214x80x2 mm� (1974) Front Scales: See Picture, Back Scales: See Picture
Perrygraf Nelson Shear Connector Comparator	2745	Concrete slide chart of cardboard, 213x80x2 mm� (1962)
Perrygraf Ohmite Capacitar Calculator	3883	Technical slide chart of cardboard, 180x70x2 mm
Perrygraf Pittsburgh Pipe Fitting Indicator	2198	Technical slide chart of cardboard, 190x90x2 mm� (1947)
Perrygraf Pollution Control	2748	Log/tech slide chart of cardboard, 255x165x2 mm
Perrygraf Pressure Drop Estimator	2117	Log/tech slide chart of cardboard, 213x80x2.5 mm� (1968)
Perrygraf Production Unit Data for 2" and 2.5" Size Units	2118	Log/tech slide chart of cardboard, 89x213x2 mm
Perrygraf Pumping Calculator	2119	Log/tech slide chart of cardboard, 178x64x2 mm� (1965) Front Scales: Various scales, Back Scales: C� =� D
Perrygraf SCA - 7201 Picture Size Computer and Lens Selector	3981	Photography slide chart of cardboard, 237x102x2.4 mm� (1973) Front Scales: See picture, Back Scales: See picture
Perrygraf Shock and Vibration Computer	5283	Log/tech slide chart of cardboard, 215x79x2 mm� (1983) Front Scales: See Picture, Back Scales: See Picture
Perrygraf Spray Nozzle Calculator	5267	Log/tech slide chart of cardboard, 215x79x1.8 mm� (1976) Front Scales: See Picture, Back Scales: See Picture
Perrygraf Time Domain Reflectometer Calculator	5326	Electrical slide chart of cardboard, 235x102x2 mm� (1965) Front Scales: See Picture, Back Scales: See Picture
Perrygraph Flare Size Calculator	2114	Log/tech slide chart of cardboard, 213x80x2 mm� (1973)
Perrygraph Fracturing Calculator	2109	Log/tech slide chart of cardboard/plastic, 212x76x1 mm� (1955)
Perrygraph Strainer Selector	2120	Log/tech slide chart of cardboard, 213x80x2.2 mm
Pfeiffer Hexadaisy	5046	Calculate disc
Philips Birth disc	2129	Medical disc of plastic, 90x1.2 mm Front Scales: 1)� =� 2)� 3)� 4)
Philips Electrical characteristics of photo and projection lamps	5250	Photography slide chart of plastic, 160x85x1.5 mm Front Scales: See Picture Back Scales: See Picture
Philips Laschstaaf	2771	Technical disc of cardboard, 150x125x1 mm
Philips Lighting	5416	Technical disc of cardboard, 160x1 mm Front Scales: Height� =� Surface� Lux
Philips Miniwatt	5385	Electrical slide chart of plastic, 180x57x2.8 mm Front Scales: See Picture, Back Scales: See Picture
Philips Resistors and Capacitors	5368	Electrical slide chart of plastic, 48x180x3 mm Front Scales: See Picture, Back Scales: See Picture
Philips Strahlung Meter (Prototype)	5661	Radioactivity slide rule
Pickett 100 Douglas	2134	Aviation slide rule of metal, 155x28x25 mm Front Scales: 1)� A� =� 2)� 3)� 4)� C� =� D� 5)� 6) Back Scales: 7)� 8)� 9)� 10)� =� 11)� 12)� =� 13)� 14)� 15)
Pickett 1015	5027	Technical slide rule of metal
Pickett 106C	2148	Log/tech disc of plastic, 146x1.5 mm Front Scales: A� =� B� =� %� reduction
Pickett 1084 Resistance Design Slide Rule	5071	Log/tech slide rule
Pickett 110� ES	5064	Generic disc
Pickett 120	5019	Generic slide rule of plastic
Pickett 120 CZT� Microline	5021	Generic slide rule of plastic
Pickett 120 Microline	2150	Generic slide rule of plastic, 305x48x4 mm Front Scales: K� A� =� B� S� T� CI� C� =� D� L
Pickett 121 Microline	3330	Generic slide rule of plastic
Pickett 125	2153	Generic slide rule of plastic, 310x38x4 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: 1)� =� S� ST� T� C� =� D
Pickett 140 Microline	2155	Generic slide rule of plastic, 310x48x4 mm Front Scales: LL1� K� A� =� B� S� ST� T� C� =� D� DI� LL1 Back Scales: LL2� LL3� DF� =� CF� CIF� L� CI� C� =� D� LL2� LL3
Pickett 20 Basic	5083	Generic slide rule
Pickett 200	3332	Generic slide rule of magnesium
Pickett 3 Deci Multiphase Log Log	3314	Generic slide rule of magnesium, x�� x4 mm� (1947) Front Scales: 3cube roots� DF� =� CF� T� ST� S� CI� C� =� D� DI� 2 sq.roots Back Scales: 1/N1� 1/N2� 1/N3� 1/N4� DF/M� =� CF/M tables� CI� C� =� D� N1� N2� N3� N4
Pickett 3T Dual Base Log Log Reciprocal- Scale	5023	Generic slide rule of aluminium
Pickett 4 T Dual Base Log Log (Vector Hyperbolic)	5022	Generic slide rule of aluminium
Pickett 4ES Dual-Base Log Log Reciprocal Scale (Vector Hyperbolic)	5012	Generic slide rule of aluminium, x�� x2.5 mm Front Scales: LL1 + -� LL2 + -� DF/M� =� CF/M� TH� SH (double scale)� L� CI� C� =� D� LL3 + -� LL4 + -, Back Scales: 3 cube root scales� DF� =� CF� T� ST� S� CI� C� =� D� DI� 2 square root scales
Pickett 500 Ortho-Phase Log Log	2161	Generic slide rule of metal, 307x38x4 mm� (1948) Front Scales: LL0� LL00� A� =� B� T� ST� S� =� D� K Back Scales: L� LL1� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Pickett 520 U.S.Air Force Aerial Photo Type A-1.	3935	Military slide rule of aluminium, 306x38x3.5 mm Front Scales: L� A� DF� =� CF� CIF� T� S� C� =� D� DI� K Back Scales: 1)� =� 2)� 3)� 4)� =� 5)
Pickett 525T	5658	Generic slide rule of plastic
Pickett 6 T	5078	Generic slide rule
Pickett 80	3325	Generic slide rule of plastic
Pickett 800T Log Log Synchro-Scale	3342	Generic slide rule of aluminium
Pickett 803ES	3845	Generic slide rule of aluminium
Pickett 903T Model 21 Real Estate Costimator	3641	Technical slide rule of plastic/metal
Pickett FAA 164M Astrodyne Aerial Photo slide rule Model LM� 221A	3697	Aviation slide rule of plastic
Pickett Fisher	5800	Log/tech slide rule of aluminium
Pickett Fisher Control Valve Sizing	2136	Log/tech slide rule of aluminium, 308x32x3 mm� (1954) Front Scales: 1)� D� �P� =� C� 2)� 3)� Q� =� Cv� 4) Back Scales: P1� Pc� =� �P� 5)� 6)� 7)� Q� =� CG� 8)
Pickett Log Log Projection	2137	Generic projection of plastic, 293x38x4 mm Front Scales: LL0� LL00� LL1� LL01� DF� =� CF� CIF� L� CI� C� =� D� LL2� LL02� LL3� LL03
Pickett Model� 2T Dual Base Log Log	3536	Generic slide rule of plastic
Pickett Model 14 U.S. Military	2146	Generic slide rule of metal, 307x52x3 mm Front Scales: LL1+� LL1-� LL2+� LL2-� A� =� B� T� ST� S� K� C� =� D� LL3+� LL3-� LL4+� LL4-, Back Scales: Deg� Mills� =� Mils� apexangle� Tan� sintan� Sin� C� =� D� A
Pickett Model 2 Deci Log Log	3312	Generic slide rule of magnesium
Pickett Model 4 Deci-Log Log Vector Hyperbolic	5016	Generic slide rule of magnesium, x 4 mm� (1947) Front Scales: 3 cube root scales DF� = CF� Th� Sh� Sh� CI� C� =� D� DI� 2 square root scales, Back Scales: 1/N1� 1/N2� 1/N3� 1/N4� DF� = CF� T� ST� S� CI� C� =� D� N1� N2� N3� N4
Pickett Model 512 SM 68 - WS107A2 Refraction Calculator	5082	Log/tech slide rule
Pickett Model 62	2779	Generic slide rule of plastic/metal, 160x28x2.3 mm Front Scales: K� A� =� B� CI� C� =� D� L, Back Scales: =� S� ST� T
Pickett Model 9T Texas Eastern Transmission Slide Rule	5024	Transmission slide rule of aluminium, x 2.5 mm� (1955) Front Scales: A� =� B� two sets of conversion factors� C� =� D� L Back Scales: B24� B =� C� S� d1� d2� d3� =� P� Pm
Pickett Model N2T Log Log Speed Rule	3537	Generic slide rule of plastic
Pickett N 1090 - ES	5803	Log/tech slide rule
Pickett N 4 ES Log Log Vector Hyperbolic Dual Base Speed Rule	3319	Vector slide rule of aluminium
Pickett N 4 ES Vector Type Log Log Dual Base Speed Rule Magnifier cursor	5014	Generic slide rule of aluminium, x 2.5 mm �(1959) Front Scales: 3cube roots� DF� =� CF� CIF� T� T� ST� S� CI� C� =� D� DI� 2 square roots, Back Scales: LL1 + -� LL2 + -� DF/M� =� CF/M� TH� SH(double scale)� Ln� L� CI� C� =� D� LL3 + -� LL4 + -
Pickett N 531 ES	2171	Generic slide rule of metal, 308x38x2.5 mm Front Scales: L� Ln� A� =� B� CI� C� =� D� 2_� K Back Scales: LL2� LL1� =� S� ST� T� C� =� D� LL3
Pickett N1006T� Trig	2184	Generic slide rule of metal, 153x28x2.5 mm� (1953) Front Scales: K� A� =� B� ST� T� S� C� =� D� DI Back Scales: Ln� DF� =� CF� CIF� CI� C� =� D� L
Pickett N1010ES Trig	2185	Generic slide rule of aluminium, 308x31.5x3 mm� (1959) Front Scales: K� A� =� B� ST� T� S� C� =� D� DI Back Scales: DF� = �CF� CIF� CI� C� =� D� DI� L
Pickett N1010MF	3353	Generic slide rule of magnesium, 307x31x3 mm� (1959) Front Scales: K� A� =� B� ST� T� S� C� =� D� DI Back Scales: DF� =� CF� CIF� CI� C� =� D� CI� L
Pickett N1010T Trig	2189	Generic slide rule of aluminium, 308x31.7x2.8 mm� (1959) Front Scales: K� A� =� B� ST� T� S� C� =� D� DI Back Scales: DF� =� CF� CIF� CI� C� =� D� DI� L
Pickett N1020ES (USA)	5025	Generic slide rule of aluminium
Pickett N1020ES Mexico	3846	Generic slide rule of aluminium
Pickett N1041G Fisher Universal Valve Sizing	2190	Log/tech slide rule of metal, 308x32x3 mm� (1967) Front Scales: 1)� 2)� =� 3)� 4)� 5)� 6)� 7)� 8)� =� 9)� 10) Back Scales: 11)� 12)� =� 13)� 14)� 15)� =� 16)� 17)
Pickett N16ES	3322	Electronic/vector slide rule of aluminium, 306x52x3 mm Front Scales: SH1� SH2� TH� DF� =� CF� L� S� ST� T� CI� C� =� D� LL3� LL2� LL1� Ln, Back Scales: 21 special scales
Pickett N3ES Power Log Exponential Log Log Dual Base	3315	Generic slide rule of aluminium, 318x52x2.5 mm Front Scales: 2sq.rts� K� A� =� B� ST� S� T� T� CI� C� =� D� DI� 3cube rts, Back Scales: LL0� LL00� LL1� LL01� DF� =� CF� CIF� Ln� L� CI� C� =� D� LL2� LL02� LL3� LL03
Pickett N3PES	3844	Generic slide rule of plastic
Pickett N500ES Log Log	2162	Generic slide rule of aluminium, 308x38x2.5 mm� (1962) Front Scales: +LL1� -LL1� A� =� B� T� ST� S� C� =� D� DI� K Back Scales: +LL2� -LL2� DF� =� CF� CIF� L� CI� C� =� D� +LL3� -LL3
Pickett N515T Electronic	2168	Generic slide rule of metal, 308x38x2.5 mm Front Scales: (Lr)H� (fx)2_� A� =� (Cr)B� S� T� (Lx or Cx)CI� xl or fr-C� =� D� L� Ln, Back Scales: tables and formulas
Pickett N525ES	3650	Technical slide rule of aluminium, 308x38x3 mm Front Scales: (p+q)� X2� df� A� =� B� BI� L� CI� C� =� D� z� z Back Scales: Sp� p� =� q� z� pl� y� N� =� d� X2� Sig Level
Pickett N600T Log Log Speed Rule Synchro Scale	5003	Generic slide rule of aluminium, 153x27.5x2.5 mm� (1962) Front Scales: LL1 + -� A� =� B� ST� T� S� C� =� D DI� K Back Scales: LL2 + -� DF� =� CF� Ln� L� CI� C� =� D� LL3 + -
Pickett N700T� U.S.Air Force Aerial Photo Type A-2.	3916	Military slide rule
Pickett N7T Pipeline Diameter	2197	Technical slide rule of aluminium, 305x52x2.5 mm� (1953) Front Scales: Many scales, Back Scales: Many scales
Pickett N800T� Log Log Speed Rule Synchro-Scale	2174	Generic slide rule of metal, 309x38x25 mm Front Scales: LL1� LL01� A� =� B� ST� T� S� C� =� D� DI� K Back Scales: LL2� LL02� DF� =� CF� CIF� L� CI� C� =� D� LL3� LL03
Pickett N803T Log Log Speed Rule Dual Base	2132	Generic slide rule of metal, 309x38x3 mm Front Scales: z� z� K� A� =� B� S� ST� T� CI� C� =� D� DI� DF Back Scales: LL0(+/-)� LL1 (+/-)� DF� =� CF� CIF� L� CI� C� =� D� LL2 (+/-)� LL3 (+/-)
Pickett N901 - T Simplex Math Rule	3346	Decimal keeper slide rule of aluminium
Pickett N901 - T Simplex Math Rule	5072	Log/tech slide rule
Pickett N902ES Simplex Trix	2178	Generic slide rule of aluminium, 308x31.5x2.7 mm Front Scales: K� A� =� B� T� S� CI� C� =� D� L
Pickett N902T Simplex Trix	2180	Generic slide rule of aluminium, 308x31.5x2.7 mm Front Scales: K� A� =� B� T� S� CI� C� =� D� L
Pickett No. 2 Deci Log Log	3313	Generic slide rule of magnesium
Pickett projection ED26	3324	Generic slide rule of perspex
Pickett T2	5002	Generic slide rule of aluminium
Pickett X3 Executive	5001	Generic slide rule of metal
Pickett X4	5026	Generic slide rule
Pickworth WH. SC	2191	Generic slide rule of all wood, 275x26x6.5 mm Front Scales: A� =� B C� =� D
Pignone Control Valve Sizing	2193	Log/tech slide chart of plastic, 230x58x3 mm
Pignone Regulo Calculatore Per Valvole Di Sicurezza Pignone	2194	Log/tech slide chart of plastic, 305x94x2.5 mm� (1972) Front Scales: 11 scales Back Scales: 5 scales
Planosec Birth disc	2199	Medical disc of plastic, 90x1.2 mm Front Scales: 1)� =� 2)
Plastograf Sao Paulo	3919	Generic slide rule of plastic, 153x31 mm Front Scales: 14cm� /� K� A� =� B� CI� C� =� D� L
Plateau de Navigation 1	2200	Aviation disc of plastic/metal, 180x245x13 mm Front Scales: Several scales
Plateau de Navigation 1 A.N. 1	2202	Aviation disc of plastic/metal, 180x245x13 mm Front Scales: Several scales
Post 1441 Sun Hemmi	2205	By Sun Hemmi, generic slide rule of plastic, 120x21x5.5 mm Front Scales: 4inch� /� A� =� B� CI� C� =� D Back Scales: =� S� L� T� =
Post 1444 Sun Hemmi	2208	By Sun Hemmi, generic slide rule of plastic, 150x29x5 mm Front Scales: 5inch� /� A� =� B� CI� C� =� D� K Back Scales: =� S� L� T� =
Post 1444K Sun Hemmi	2209	By Sun Hemmi, generic slide rule of plastic, 150x29x5 mm Front Scales: 5inch� /� A� =� B� CI� C� =� D� K Back Scales: =� S� L� T� =
Post 1444P Five-Inch Plastic. Frederick Post Made in U.S.A. Mannheim	3732	By Hemmi, generic slide rule of Plastic, 150x35x10 mm� (WW II-) Front Scales: 12.5cm� /� A� = B� CI� C� =� D� K� \� 5inch Back Scales: =� S� L� T� =
Post 1445 Sun Hemmi Eight-Inch Student Mannheim	2210	By Sun Hemmi, generic slide rule of Celluloid Bamboo, 230x28.5x8 mm Front Scales: K� DF� =� CF� CI� C� =� D� A Back Scales: =� TI� L� SI� =
Post 1446 Hemmi Student Mannheim	3738	By Hemmi, generic slide rule of Celluloid Bamboo, 280x28x7 mm� (1932 - 49+ exc WW II) Front Scales: A� =� B� C� =� D, Back Scales: =� S� L� T� =
Post 1447 Sun Hemmi	2213	By Sun Hemmi, generic slide rule of bamboo, 280x28x8 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Post 1450 Versatrig Duplex Hemmi	3757	By Sun Hemmi, generic slide rule of plastic, 320X41X7 mm Front Scales: K� DF� =� CF� CIF� CI� C� =� D� R1� R2 Back Scales: L� A�� =� T T� Sec T ST� Cos S� C� =� D� DI
Post 1452 Universal Mannheim	3765	By Hemmi, generic slide rule of Celluloid Bamboo, 295x41x11 mm� (1971) Front Scales: 10inch� /� A� =� B� CI� C� =� D� K� ]� 27cm Back Scales: =� S� L� T� =
Post 1454 Universal (C Cursor) Mannheim	3771	By Hemmi, generic slide rule of Celluloid Bamboo
Post 1460 Sun Hemmi Versalog	2218	By Sun Hemmi, generic slide rule of plastic, 320x44.4x7 mm Front Scales: LL0� LL/0� K� DF� =� CF� CIF� CI� C� = �D� R1� R2� L, Back Scales: LL/1� LL/2� LL/3� =� T T� Sec T� ST� Cos S� C� =� D� LL3� LL2� LL1
Post 1460 Versalog II, A scale and "R" (in SRT) added. Duplex	3783	By Sun Hemmi, generic slide rule of Celluloid Bamboo, 320x45x7 mm� (1968-72) Front Scales: LL/0� K� A� DF� =� CF� CIF� CI� C� =� D� R1� R2� LL0, Back Scales: L� LL/1� LL/2� LL/3� =� T T� Sec T� SRT� Cos S� C� =� D� LL3� LL2� LL1
Post 1462	2221	Generic slide rule of wood/plastic, 311x40x6 mm Front Scales: LL0� LL00� A� =� B� K� L� C� =� LL3� LL2� LL1 Back Scales: T� DF� =� CF� CIF� CI� C� =� D� S� ST
Post 44CA-500� Teledyne Post Versatrig Duplex	3819	By Hemmi, generic slide rule of Celluloid� Bamboo, 322x41x7 mm� (1972+) Front Scales: K� DF� =� CF� CIF� CI� C� =� D� R1� R2 Back Scales: L� A� =� T T� Sec T� ST� Cos S� C� =� D� DI
Practical Electronics Component Selector	5252	Electrical slide chart of cardboard
Pratt & Whitney Aircraft 644218	2225	Aviation disc of plastic, 211x25 mm� (1970) Front Scales: window 1� 1)+2) om window 2)� 3)om window 3� =� 4)� 5)� window 4� =� 6)� 7)� = 8)=9)
Propess Birth disc	3068	Medical disc of plastic, 108x1 mm Front Scales: 1)� =� 2)
Protractor	2065	Generic sector of bone, 152x35x1.3 mm
Protractor	2722	Calculate protractor of bone, 85x16.4x1.7 mm
Protractor	2727	Protractor of all wood, 153x34x1.2 mm
Protractor in instrument case	2723	Calculate protractor of all wood, 153x33x1.7 mm
Protractor Transversalmasstab	2731	Military protractor of brass, 210x65x1 mm Front Scales: 1) �2), Back Scales: 3)
Psychrom Rekenschuif	2227	Log/tech slide rule of aluminium, 187x30 mm
Raak Energy saving lamps	5316	Log/tech slide chart of cardboard, 280x90x2 mm Front Scales: See Picture, Back Scales: See Picture
Raboma boorschijf	2229	Technical disc of plastic, 90x1 mm
Rabone & Sons Early model	5096	Generic slide rule of wood/metal, 2 feet mm Front Scales: scale 1/3 (1-33)� [� A� =� CF� A �=� B� ]� #scale 1/2 (1-22.5) and scale 1/4 (1-43) Back Scales: =� on slide L� =� on body 12inch
Rabone & Sons Sector Made in England for Keuffel & Esser	5097	Sector of ivory, twice 305 mm Front Scales: 24inch Back Scales: See Picture
Racing research associates The Harvard Concentric Converter	5043	Disc
Radiac Calculator ABC - M1A1	5065	Military disc
Ralo Calculator	2230	Log/tech slide rule of all wood, 137x38x10.5 mm Front Scales: E� =� C� B� =� D
Rapidus Rechenscieber	3663	Generic slide rule of paper/wood, 150x29.5x7 mm Front Scales: K� A� = B� CI� C� =� D� L
RCA 551	3888	Generic slide rule of plastic, 176x28x7.5 mm Front Scales: K� A� =� B� S� T� C� =� D� DI Back Scales: DF� =� CF� CI� C� =� D� L
Rechenger�t RG 44 German	2077	Military disc of plastic, 210x425x7 mm Front Scales: 1)� 2)
Reddaway Belting and Pulley Calculator	2767	Log/tech slide rule of cardboard, 161x36x3 mm Front Scales: 4 scales
Reed Service Electronic Engineers	2232	Generic slide rule of wood/plastic, 298x42x13 mm Front Scales: 10inch� /� K� A �=� B� CI� C� =� D� L� ]� 26cm�� #D/L#, Back Scales: =� S� S&T� T� =
Reiss	2237	Military slide rule of plastic, 316x40x4 mm Front Scales: 1)� 2)� =� sin� tan� FE� =� BE� KA Back Scales: =� sin� sin/tan� tan� =� D
Reiss	2243	Military slide rule of plastic, 299x50x7 mm Front Scales: 28cm� /� 1)� 2)� =� sin� tan� FE� =� BE� KA Back Scales: =� sin� sin/tan� tan� =
Reiss	2244	Military slide rule of metal, 296x40x6.5 mm Front Scales: 28cm� 1:25000� /� 1)� 2)� =� S� T� FE� =� BE� Ku Back Scales: =� sin� sin/tan� tan� =
Reiss	2245	Military slide rule of metal, 296x40x6.5 mm Front Scales: 28cm� 1:25000� /� 1)� 2)� =� S� T� FE� =� BE� Ku Back Scales: =� sin �sin/tg� tg� =
Reiss	3685	Military slide rule of plastic, 299x50x7 mm Front Scales: 28cm� /� 1)� 2)� =� sin� tan� FE� =� BE� KA Back Scales: =� sin� sin/tan� tan� =
Reiss	3686	Military slide rule of metal, 296x40x6.5 mm Front Scales: 28cm� 1:25000� /� 1)� 2)� =� S� T� FE� =� BE� Ku Back Scales: =� sin� sin/tg� tg� =
Reiss	3687	Military slide rule of metal, 296x40x6.5 mm Front Scales: 28cm� 1:25000� /� 1)� 2)� =� S� T� FE� = �BE� Ku Back Scales: =� sin� sin/tg� tg� =
Reiss	3688	Military slide rule of metal, 296x40x6.5 mm Front Scales: 28cm� 1:25000� /� 1)� 2)� =� S� T� FE� =� BE� Ku Back Scales: =� sin� sin/tan� tan� =
Reiss 3201 Rietz - Spezial	5085	Generic slide rule of metal
Reiss 3205 Electrical	5086	Chemistry slide rule of metal
Reiss 3209 C 7	2250	Generic slide rule of metal, 148x32x3 mm Front Scales: 13cm� /� K �A� =� B� CI� C� =� D� L Back Scales: =� sin� tg� =
Reiss 3214 Darmstadt Record	3455	Generic slide rule of plastic, 342x48x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� LL1� LL2� LL3 Back Scales: P� S� ST� DF� =� CF� CIF� CI� C� =� D� T1� T2� DI
Reiss 3223� Progress	2248	Generic slide rule of metal, 319x33x4 mm Front Scales: A� DF� =� CF� CI� C� =� D� L Back Scales: T1� T2� =� LL1� LL2� LL3� =� D� S
Reiss DDR Darmstadt	2238	Generic slide rule of metal, 300x33x4 mm Front Scales: K� A�� =� B� CI� C� =� D� L Back Scales: cos� sintg� =� LL1� LL2� LL3� =� sin tg
Reiss DDR Darmstadt	2239	Generic slide rule of plastic, 160x45x4 mm Front Scales: 15cm� /� K� A� CF� =� DF� CIF� CI� C� =� D� P� sin� tan, Back Scales: =� LL1� LL2� LL3� lg� =
Reiss Ladung 1-4	5438	Military slide rule of plastic, 340484 mm Front Scales: m� 4.Ladung� 3.Ladung� 2.Ladung� 1.Ladung verringerte Ladung Back Scales: m� 4.Ladung� 2.Ladung� 1.Ladung verringerte Ladung
Reiss Militairy rule	3689	Military slide rule of metal, 300x33x4 mm Front Scales: 1)� 2)� =� S� T� FE� =� BE� Ku Back Scales: =� sin� sin/tg� tg� =
Reiss Militairy rule	3690	Military slide rule of metal, 300x33x4 mm Front Scales: 1)� 2)� =� S� T� FE� =� BE� Ku Back Scales: =� sin� sin/tg� tg� =
Reiss Rietz	2240	Generic slide rule of plastic, 148x32x3 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� T� =
Relay 115	3464	Generic slide rule of bamboo/plastic, 285x40x10 mm Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 10inch Back Scales: =� T2� T1� ST� S� =
Relay 151 JS 3	2256	Generic slide rule of bamboo, 353x46.8x7 mm� (1962) Front Scales: LL/0� L� K� A� =� B� S� ST� T� C� =� D� DI� P� LL0, Back Scales: LL/1� LL/2� LL/3� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Relay 551	3018	Generic slide rule of plastic, 170x35x5 mm Front Scales: LL0� L� K� A� =� B� S� T� C� =� D� DI� P� LL0 Back Scales: LL1� LL2� LL3� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Relay 650 CK-3	2257	Generic slide rule of wood/plastic, 222x29x7 mm Front Scales: K A� =� B� S� T� CI� =� D� L Back Scales: DF� =� CF� CIF� C� =� D
Relay 80 DK 1	2254	Generic slide rule of plastic, 227x24x8 mm Front Scales: A� =� B� CI� C� =� D
Reliance	3868	Generic slide rule of wood/plastic, 300x35x13 mm
Remix EMO Elektromodul Budapest	5412	Electrical disc of cardboard, 141x1 mm Front Scales: Items� =� C� U� � Back Scales: Items� =� V� U� F� C� %
Reyners Environmental Systems	5280	Log/tech slide chart of cardboard, 212x121x2.4 mm Front Scales: See Picture, Back Scales: See Picture
RHEI-TA Rechenstabe	1994	Generic slide rule of plastic, 280x33.5x5 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Richardson 1917	2266	Nautical slide rule of wood/plastic, 458x51x9 mm� (1917) Front Scales: 1)� =� 2)� 3)� =� 4), Back Scales: =� 5)� 6)� =
Richter Rietz 11	3284	Generic slide rule of plastic, 149x33x4 mm Front Scales: 13cm� /� K� A� =� B� CI� C� = D� L Back Scales: =� S� S&T� T� =
Ricoh 1051 S	5669	Generic slide rule, 320x41x7 mm Front Scales: K� A� =� B� S� T1� T2� C� =� D� DI Back Scales: LL1� L� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Ricoh 151	5672	Generic slide rule, 351x47x7 mm Front Scales: LL0� L� K� A� =� B� S� ST� T� C� =� D� DI� P� LL0, Back Scales: LL1� LL2� LL3� DF� =� CF CIF� CI� C� =� D� LL3� LL2� LL1
Rietz 79 465	3283	Generic slide rule of plastic, 149x31x3 mm Front Scales: 13cm� /� K� A� = B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Rijnja Balken en Plafondhangers	2321	Log/tech slide rule of cardboard/celluloid, 144x26x2 mm Front Scales: 1� =� 2� 3� =� 4, Back Scales: =� 5� 6� =
Rijnja IJzeren Liggers DIL en NP profielen	3097	Steel beams slide rule of cardboard + celluloid, 218x44x3 mm Front Scales: A� 1)� =� 2)� 3)� =� 4)� 5)� 6)� =� 7)� 8) Back Scales: =� 9)� =� 10)� 11)� =
Rijnja Seehase Patent	2855	Generic slide rule of cardboard/celluloid, 145x26x4 mm Front Scales: A� =� B�� C� =� D
Rijnja Strackee Beton	3095	Concrete slide rule of brass, 219x44x3 mm Front Scales: 1)� 2)� 3)� =� 4)� =� 5)� 6)� =� 7)
Rista 1 Rietz	2272	Generic slide rule of plastic, 296x39.2x4 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Rista 11 Rietz	2277	Generic slide rule of plastic, 150x33x4 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Rista 2 Electro	2273	Electrical slide rule of plastic, 295x43x4 mm Front Scales: 27cm� /� Motor� K� A� =� B� CI� C� =� D� Volt� T� S Back Scales: =� LL1� LL2� LL3� =
Rista 3 Darmstadt	2275	Generic slide rule of plastic, 293x42x4 mm Front Scales: 27cm� /� L� K� A� =� B� CI� C� =� D� P� T� S Back Scales: =� LL1� LL2� LL3� =
Riva Kil-o-metre	3910	Technical disc of plastic, 74x14 mm
Roberts gauging	2281	Alcohol slide rule of all wood, 304x26x22 mm �(Before 1824) Front Scales: Many scales, Back Scales: Many scales
Roberts gauging	2282	Alcohol slide rule of all wood, 304x26x22 mm� (Before 1824) Front Scales: Many scales, Back Scales: Many scales
R�hm Ermittlung der Reitstockkraft	5262	Technical slide chart of plastic, 195x75x2 mm Front Scales: See Picture, Back Scales: See Picture
Rollprint Ltd. Cameron Flange	2284	Technical slide chart of cardboard, 210x96x1.6 mm� (1948)
Roos SR - 104 Company	3864	Generic slide rule of all wood, 270x28x9 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Rotoflow Turboexpander/compressor	2288	Log/tech slide chart of cardboard, 212x80x2 mm� (1979) Front Scales: 9 scales Back Scales: 4 scales
Royal 1051	2290	Generic slide rule of plastic, 331x44x4 mm Front Scales: 25cm� DF� =� CF� CIF� CI� C� =� D� A� K
Royal 1053	2291	Generic slide rule of plastic, 330x44.9x3.6 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� ST� T Back Scales: 25cm� =� S� LL2� LL3� =� 8inch
Royal 1081	2293	Generic slide rule of plastic, 330x45.2x3.6 mm Front Scales: T1� T2� A� =� B� BI� CI� C� =� D� P� S� ST Back Scales: LL1� LL2� LL3� DF� =� CF� CIF� CI� C� =� D� L� K
Russian	2304	Generic slide rule of wood/plastic, 150x27x6 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: =� Sin� S&T �Tg� =
Russian� Prometeus 1937 r	2306	Generic slide rule of wood/plastic, 282x38x11 mm� (1937) Front Scales: 25cm� /� K� A� =� B� C� =� D� L� ]� 25cm Back Scales: =� S� S&T� T� =
Russian coios 1949r	3645	Generic slide rule of wood/plastic, 281x39x11 mm Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 25cm Back Scales: =� Sin� S&T� Tg� =
Russian Disc HPH - 2	5073	Log/tech disc
Russian Militairy 10M 1986 r	3124	Military slide rule of wood/plastic, 295x44x9 mm� (1986-1988) Front Scales: 25cm� /� 1)� K� C� 2)� =� 3)� 4)� 5)� 6)� =� K� 7) Back Scales: 8)� 9)� =� 10)� 11)� 12)� 13)� 14)� 15)� =� 16)� 15)� 17)� 14)� 15)
Russian roct� 5161 72� 1978r (wood)	3132	Generic slide rule of wood/plastic, 317x39x8 mm� (1978) Front Scales: K� A� =� B� S� ST� T� C� =� D� DI Back Scales: L� LL1� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Russian roct� 5161 72� 1978r (wood)	3644	Generic slide rule of wood/plastic, 317x39x7 mm� (1978) Front Scales: K� A� =� B� S� ST� T� C� =� D� DI Back Scales: L� =� =� 25cm
Russian roct 5161 49� 1953r	2300	Generic slide rule of wood/plastic, 280x39x11 mm Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 25cm Back Scales: =� Sin S&T� Tg� =
Russian roct 5161 49� 1954r	3646	Generic slide rule of wood/plastic, 282x39x11 mm Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 25cm Back Scales: =� Sin S&T� Tg� =
Russian roct 5161 57�� 1961r	5087	Generic slide rule
Russian roct 5161 57�� 1962cr	2307	Generic slide rule of wood/plastic, 151x27.5x5.5 mm� (1962) Front Scales: K� A� =� B �CI� C� =� D� L Back Scales: =� Sin� S&T� Tg� =
Russian roct 5161 57�� 1963c	2308	Generic slide rule of wood/plastic, 279x38x10.8 mm� (1963) Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25 Back Scales: =� Sin� snt� Tg �=
Russian roct 5161 57�� 1964r	3136	Generic slide rule of wood/plastic, 278x39x11 mm� (1964) Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� scale 1:2 Back Scales: =� Sin� S&T� Tg� =
Russian roct 5161 57�� 1968r	2805	Generic slide rule of wood/plastic, 279x38x10.8 mm� (1968) Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 25cm Back Scales: =� Sin� S&T� Tg� =
Russian roct 5161 57�� 1969r	2310	Generic slide rule of wood/plastic, 279x38.7x11.2 mm� (1969) Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 25cm Back Scales: =� Sin� S&T� Tg� =
Russian roct 5161 57�� 1969r	3133	Generic slide rule of wood/plastic, 149x27x6.3 mm� (1) Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: =� Sin� snt� Tg� =
Russian roct 5161 57�� 1973r	2778	Generic slide rule of wood/plastic, 281x38x11 mm� (1973) Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� LL3� ]� LL2 Back Scales: =� Sin� S&T� Tg� =
Russian roct 5161 57� 1971r	3443	Generic slide rule of wood/plastic, 318x39x7 mm� (1971) Front Scales: K� A� =� B� S� ST� T� C� =� D� DI Back Scales: L� LL1� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Russian roct 5161 57� 1972r	3444	Generic slide rule of wood/plastic, 279x40x11 mm� (1972) Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� Sin� S&T� Tg� =� Scale 1:25
Russian roct 5161 72�� 1975r	2296	Generic slide rule of wood/plastic, 150x27,5x6 mm� (1975) Front Scales: K� A� =� B� CI� C� =� D, Back Scales: =� S� ST� T� =
Russian roct 5161 72�� 1978r	2314	Generic slide rule of PVC, 300x41x7 mm� (1978) Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T3� =
Russian roct 5161 72�� 1979r (PVC)	2315	Generic slide rule of plastic, 300x41x7 mm� (1979) Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T3� =
Russian roct 5161 72�� 1979r (wood)	3647	Generic slide rule of wood/plastic, 280x39x11 mm� (1979) Front Scales: 25cm� /� K� A� =� B� CI� C� =� D� L� ]� 1:25 Back Scales: =� Sin� S&T� Tg� =
Russian roct 5161 72�� 1980r	2316	Generic slide rule of plastic, 300x50x7 mm� (1980) Front Scales: 27cm� /� K� A� =� B� BI� CI� C� =� D� S� ST� T3� L Back Scales: =� LL1� LL2� LL3� =
Russian roct 5161 72�� 1986r	2318	Generic slide rule of plastic, 300x41x6.5 mm� (1986) Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T3� =
Russian roct 5161 72� 1977r	0505	Generic slide rule of plastic, 300x34x7 mm� (1977) Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� Ts� =
Russian roct 5161 72� 1978r	2297	Generic slide rule of plastic, 348x48x3,5 mm� (1978) Front Scales: T1� K� A� =� B� CIF� CI� C� =� D� ST� S Back Scales: LL3� LL2� LL1� L
Russian roct 5161 72� 1978r	3445	Generic slide rule of wood/plastic, 31740 mm� (1978) Front Scales: K� A� =� B� S� ST� T� C� =� D� DI Back Scales: L� LL1� DF� =� CF� CIF� CI� C� =� D� LL3� LL2
Russian roct 5161 72� 1978r 250 - 14	5502	Photography slide rule
Sanders & Sons London	2324	Generic slide rule of all wood, 310x38.5x5.5 mm Front Scales: A =� 1)� =� B, Back Scales: c� =� c� =� c
Sanderson Flight Computer SC 3A	2325	Aviation disc of metal, 125x260x9 mm
Sanderson Flight Plotter SCP - 5	5805	Aviation disc
Sans & Streiffe 311	3365	Slide rule of plastic/bb
SanTech E - 6B Computer model FDF 57 B	2782	Aviation disc of metal, 125x243x8.5 mm
SanTech Inc Mark IX DIAL-A-CON Model FDF 26	2326	Aviation disc of plastic, 102x2 mm Front Scales: 1)� =� 2)� 3)� 4)� 5), Back Scales: 6)� 7)� 8)
SanTech Inc Mark VIII-C, Model FDW 312	2327	Aviation disc of plastic, 102x2 mm Front Scales: 1)� =� 2)� + 3 windows, Back Scales: 3)
Schacht & Westerich Hamburg	3499	Generic watch type of metal/celluloid, 65 mm Front Scales: A� C �=� C, Back Scales: n1� n3� tg� sin� log
Schlieren Lifts	5303	Technical slide chart of cardboard, 298x150x2 mm Front Scales: See Picture, Back Scales: See Picture
Schneider Kreuznach Photography	3473	Photography disc of celluloid, 111x2 mm
Schuts Filetta 5000 Schroefdraad tabellen Spie�n	2336	Technical slide chart of metal, 210x52x0.8 mm
Schuts Filetta 5001 Schroefdraad tabellen	2338	Technical slide chart of metal, 210x52x0.8 mm
Schuts Filetta 5005 Schroefdraad tabellen	2339	Technical slide chart of metal, 210x52x0.8 mm
Schuurmans Mixpercentage of two	2335	Conversion disc of plastic, 97x1.4 mm Front Scales: 1)� =� 2)� 3)
Schwelm Inhalte f�r Tanks mit B�den R=D	5295	Technical slide chart of cardboard, 273x85x1.5 mm Front Scales: See Picture, Back Scales: See Picture
Scientific Instruments 1510	5088	Generic slide rule
Seaview Electric Comp. Psychrometric Computer CP - 164/UM	5735	Log/tech disc
Seaview Electric Comp. Psychrometric Computer ML - 429/UM	1612	Log/tech disc of plastic, 285x2 mm Front Scales: DP� DP� =� D� D� D� D� D� D� T� RH Back Scales: DP� DP� =� D� D� D� D� D� D� T� RH
Seehase Elektro Praktikus	3037	Electrical slide rule of cardboard, 143x26x3 mm Front Scales: 1)� =� 2)� 3)� =� 4)� =� 5) Back Scales: 6)� =� 7)� 8)� =� 9)� =� 10)
Seehase Patent Dr. ing. Seehase	2815	Generic slide rule of cardboard/celluloid, 145x26x4 mm Front Scales: A� =� B�� C� =� D, Back Scales: 5inch� 13cm
Seehase SR 704 Entwurf F. Bahlecke	3590	Technical slide rule of cardboard/celluloid, 217x45x1.5 mm
Seehase SR 705	3591	Technical slide rule of cardboard/celluloid, 217x45x1.5 mm
Seehase Tr�ger Rechenstab System Hohnholz	3857	Technical slide rule of cardboard celluloid, 220x45x5 mm
Seger 51 Rietz	3849	Generic slide rule of plastic
Seiko Chrono Watch	5644	Generic watch type of metal
Shell Fuel Oil	3889	Technical slide rule of plastic, 190x32x4.4 mm Front Scales: 17cm� /� O2%� CO2%� e% Back Scales: CO2%� =� �C� =� Pcs� Pci�� Other side slide �F
Shell Oliestook (Fuel oil)	2349	Technical slide rule of plastic, 190x32x5 mm� (1) Front Scales: 17cm� /� O2%� CO2%� e% Back Scales: CO2%� =� �C� =� Hv� Hs�� Other side slide �F
Shetack Drill	2880	Technical disc of plastic, 94x0.5 mm� (1938) Front Scales: 14 scales, Back Scales: 14 scales
Siemens Motoren-Installations-Helfer	2354	Technical slide chart of aluminium, 206x52 mm
Sillcocks Miller Co., Drift Angle Computer	2710	Aviation disc of cardboard, 110x2 mm Front Scales: 1)� 2)� =� 3)� 4)
Simplified Flight Calc. CO. Part no. 111 Course & Distance Computer� A-5	1210	Aviation disc of plastic
Skala SLE	1405	Electrical slide rule of plastic
Slide Chart Corp. Dual Snap Conversion	5788	Conversion slide chart
Slide Chart Corp. Instant U.S. To Metric Conversions	2366	Log/conv slide chart of cardboard, 211x86x2 mm� (1971)
Slide charts Britain Perslucht Energieverlies	3670	Technical slide chart of cardboard, 212x80x1 mm� (1996)
Smith Maker carpenters rule	3573	Technical 2 fold rule of wood/metal, 316x40x4 mm Front Scales: A� =� B� C� =� D� === 1/4, 3/8, 1/2, 5/8, 3/4 and 1 inch scales Back Scales: 1-12inch� 8SQUARE� ===� LINE� 12-24inch
Smiths Determination of Pipe Thermal Expansion (carb. Steel	2367	Log/tech slide chart of plastic, 231x44 mm
Smits Clothing industry	2368	Financial disc of metal, 90x1.2 mm Front Scales: 1)� =� 2), Back Scales: 3)� =� 2)
Soler and Palau Drukverlies	5335	Log/tech slide chart of plastic, 212x100x1 mm Front Scales: See Picture, Back Scales: See Picture
Sorin Biomedica	5388	Medical slide rule of plastic, 17049x0.8 mm Front Scales: See Picture, Back Scales: See Picture
Spiral disc	2049	Military disc of metal/plastic, 260x5 mm Front Scales: P� sin cos
Staedtler 4836	2370	Generic slide rule of wood/plastic, 300x30x9 mm Front Scales: A� =� B� C� =� D Back Scales: 30cm� =� sin� lg� tg� =� 11inch
Staedtler 54103� Rietz	2375	Generic slide rule of wood/plastic, 295x38.5x11.5 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 10inch Back Scales: =� sin� sin.tg� tg� =
Staedtler 54106 Electro	2376	Generic slide rule of wood/plastic, 295x38.5x11.5 mm Front Scales: 27cm� /� V� A� =� B� CI� C� =� D U� ]� LL3� K Back Scales: =� sin� sin,tan� tan� =
Staedtler 54106 Mars	3665	Generic slide rule of wood/plastic, 295x38.5x11.5 mm Front Scales: V� A� =� B� CI� C� =� D� U� ]� LL3� K Back Scales: =� sin� sin.tan.� Tan� =
Staedtler 544 A	2372	Generic slide rule of plastic, 324x45x4 mm Front Scales: K� DF� =� CF� CIF� CI� C� =� D� A
Staedtler 544 A� Projektionsrechenstab	2818	Generic projection of plastic/perspex, 330x170x14 mm Front Scales: K� DF� =� CF� CIF� CI� C� =� D� A
Staedtler 544 DLL Mars	3291	Generic slide rule of plastic, 334x45x4 mm Front Scales: T1� T2� A� =� B� BI� CI� C� =� D� (P)� S� ST Back Scales: LL1� LL2� LL3� DF� =� CF� CIF� CI� C� =� D� K� L� LL0
Staedtler 544 LL	2773	Generic slide rule of plastic, 324x45x4 mm Front Scales: L� K� A� =� B� CI� C� = D� S� ST� T Back Scales: 25cm� =� S� LL1� LL2� LL3� =� 10inch
Staedtler 544 S	2374	Generic slide rule of plastic, 320x45x4 mm Front Scales: T1� T2� K� A� =� B� CI� C� =� D� S� ST� L
Staedtler 54401� Darmstadt	2377	Generic slide rule of plastic, 295x49x8 mm Front Scales: 27cm� /� L� K� A� =� B� CI� C� =� D� P� S� T Back Scales: =� LL1� LL2� LL3� =
Staedtler 54403 Rietz	2380	Generic slide rule of plastic, 295x39x8 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� sin� sin.tan� tan� =
Staedtler 54428	2382	Generic slide rule of plastic, 357x48x4.2 mm Front Scales: P� S� T1� T2� A� =� B� K CI� C� =� D� R1� R2� L� ST Back Scales: LL00� LL01� LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1 LL0
Staedtler 54452 Noris Log Log	2383	Generic slide rule of plastic, 300x40x4 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: 27cm� S� ST� T� LL1� LL2� LL3� 10inch
Staedtler 54503 Rietz	2386	Generic slide rule of plastic, 148x31.5x3.5 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� ST� T� =
Staedtler 94403	3252	Generic slide rule of plastic, 323x45x4 mm Front Scales: T1� T2� K� A� =� B� CI� C� =� D� S� ST� L
Stago Electrotechniek Kabelgootsysteem	5292	Technical slide chart of cardboard, 225x80x1.8 mm Front Scales: See Picture, Back Scales: See Picture
Stahldraht Produktion	2037	Technical disc of cardboard, 100x1 mm Front Scales: 1)� 2)� =� 3)
Stam Bolts	5333	Technical slide chart of plastic/cardboard, 190x109x0.8 mm� (1972) Front Scales: See Picture, Back Scales: See Picture
Stanley	2387	Generic slide rule of wood/plastic, 274x31x10 mm Front Scales: 25cm� /� A� =� B� C� =� D� ] 10inch Back Scales: =� S� L T =
Stanley Fullers Spiral	1254	Generic cylinder of bakelite, 440x75 mm Front Scales: 0-0.20� 100-1000
Steel data	5343	Technical slide chart of cardboard, 14874x1 mm Front Scales: See Picture, Back Scales: See Picture
Sterling 587	2388	Generic slide rule of plastic, 155x27.4x4.6 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Sterling Pocket Metric Converter	2389	Log/conv slide rule of plastic, 155x27x4.2 mm Front Scales: A� =� 1)� 2)� =� B, Back Scales: =� 3)� 4)� =
Sterling Precision	2391	Generic slide rule of plastic, 279x33.2x5 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Sterling Precision	3381	Generic slide rule of plastic
Sterling Precision	3938	Generic slide rule of plastic, 280x33x5 mm Front Scales: A� = B� CI� C =� D� K, Back Scales: =� S� L T� =
Sterling Precision (with cm and inch scale)	3937	Generic slide rule of plastic, 280x47x8 mm Front Scales: 10inch� /� A� = B� CI� C =� D� K� \� 10inch Back Scales: =� S� L T� =
Stevenson Edinburgh	2393	Generic slide rule of all wood, 227x35x4.5 mm Front Scales: 1)� =� 2)� 3)� =� 4), Back Scales: 5)� =� 6)� 7)� =� 8)
Stokvis Steelconstructions	5325	Technical slide chart of cardboard, 264x104x1.2 mm Front Scales: See Picture, Back Scales: See Picture
Strahlungseinwirkung White	2066	Military disc of plastic, 200x5 mm� (1988)
Streckenzugtafel	2069	Military instrument of aluminium, 245x245x1 mm Front Scales: �X� �Y� 1)� 2)� 3)� 4)� 5) 6), Back Scales: S� a� AB
Strien Beer	3531	Slide rule
Stutchbury Maker gauging	2394	Alcohol slide rule of all wood, 153x27x20 mm� (Before 1824) Front Scales: Many scales, Back Scales: Many scales
Sun Hemmi	2396	Generic slide rule of wood/plastic, 120x20.4x5.2 mm Front Scales: 10cm� /� A� =� B� C� =� D� ]� 4inch Back Scales: =� S.� L.� T.� =
Sun Hemmi	2400	Generic slide rule of wood/plastic, 295x40x11 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 29cm�� #33-59cm#, Back Scales: =� S� S&T� T� =
Sun Hemmi	2405	Generic slide rule of plastic, 280x28x8 mm Front Scales: A� =� B� C� =� D, Back Scales: =� S� L� T� =
Sun Hemmi	2804	Generic slide rule of bamboo, 280x32x8 mm Front Scales: 10inch� /� A� =� B� C� =� D� ]� 28cm Back Scales: =� S.� L.� T.� =
Sun Hemmi	3069	Generic slide rule of wood/plastic, 15x29x8.5 mm Front Scales: 5inch� /� A� =� B� C� =� D� ]� 15cm�� #15-30cm# Back Scales: =� S� L� T� =
Sun Hemmi	5813	Generic slide rule
Sun Hemmi	5814	Generic slide rule
Sun Hemmi (made for SKF)	2404	Generic slide rule of bamboo/aluminium, 294x39.5x11.5 mm Front Scales: 27cm� /� K� A�� =� B� n� L� C� =� D� L� ]� 10inch� #33-58cm#, Back Scales: =� S� S&T� T� =
Sun Hemmi (made for SKF)	5045	Generic slide rule
Sun Hemmi 130	2455	Generic slide rule of bamboo/aluminium, 295x40.5x11.2 mm Front Scales: 27cm� /� L� K� A� =� B�� CI� C� =� D� SIN� COS� ]� SIN� tg, Back Scales: = �LL1� LL2� LL3� =
Sun Hemmi 130 W	2459	Generic slide rule of bamboo/aluminium, 296x44x11 mm Front Scales: 10inch� /� T� K� A� =� B� BI� CI� C� =� D� P� S� ]� 27cm, Back Scales: = L� LL0� LL1� LL2� LL3� =
Sun Hemmi 135 Ahrend	2463	Generic slide rule of bamboo/aluminium, 150x29.2x5.5 mm Front Scales: 14cm� /� T� K� A� =� B� CI� C� =� D� P� S Back Scales: =� L� LL1� LL2� LL3� =
Sun Hemmi 143 Commerce	5677	Financial slide rule, 169x34x4 mm Front Scales: DF� =� CF� CIF� CI� C� =� D� LL Back Scales: A� N� =� M� Pound� s/d� C� =� D� G
Sun Hemmi 1461 Post Versalog	2486	Generic slide rule of bamboo, 170x34x3.6 mm Front Scales: LL0� LL/0� K� DF� =� CF� CIF� CI� C� =� D� R1� R2� L, Back Scales: LL/1� LL/2� LL/3� =� T� ST� S� C� =� D� LL3� LL2� LL1
Sun Hemmi 1462H Post	5674	Generic slide rule, 320x40.3x7 mm Front Scales: LL0� LL00� A� =� B� K� L� C� =� LL3� LL2� LL1 Back Scales: T� DF� =� CF� CIF� CI� C� =� D� S� ST
Sun Hemmi 149 A	2466	Generic slide rule of bamboo, 171x34x3.5 mm Front Scales: L� K� A� =� B� TI� SI� C� =� D� LL0� LL/0 Back Scales: LL/1� LL/2� LL/3� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Sun Hemmi 150	5675	Generic slide rule of wood/plastic, 309x31x7 mm Front Scales: K� A� =� B� S� T� CI� =� D� L Back Scales: DF� =� CF� CIF� C� =� D
Sun Hemmi 152	5678	Generic slide rule, 320x40x7 mm Front Scales: K� A� = B� CI� C� =� D� T Back Scales: 0� Re� P� =� Q� Q1� C� =� LL3� LL2� LL1
Sun Hemmi 153	2467	Generic slide rule of bamboo/plastic, 320x40x7 mm Front Scales: L� K� A� =� B� CI� C� =� D� T� Ge Back Scales: L� Re� P� =� Q� Q' C� =� LL3� LL2� LL1
Sun Hemmi 154	5682	Slide rule, 575x45x7 mm Front Scales: Sx� Tx� Te� =� Th� Sh� Sh� C� =� D� L� X Back Scales: DF� P'� P� =� Q� CF� CI� Se� =� A� D� K
Sun Hemmi 200	5028	Slide rule
Sun Hemmi 201	5044	Generic slide rule, 575x45x7 mm Front Scales: L2.4� L1.3� L2.4� L1.3� =� C4� C3� C2� C1� =� D1� D2� D3� D4, Back Scales: K4� K3� K2� K1� =� CF4� CF3� CF2� CF1� =� DF1� DF2� DF3� DF4
Sun Hemmi 201	5673	Generic slide rule, 575x45x7 mm Front Scales: L2.4� L1.3� L2.4� L1.3� =� C4� C3� C2� C1� =� D1� D2� D3� D4 Back Scales: K4� K3� K2� K1� =� CF4� CF3� CF2� CF1� =� DF1� DF2� DF3� DF4
Sun Hemmi 22 FB	5076	Generic slide rule of wood/celluloid
Sun Hemmi 22 FJ	5676	Generic slide rule of wood/plastic, 230x23x9 mm Front Scales: CI� C� =� D� A
Sun Hemmi 250	3388	Generic slide rule of plastic/bb, 322x41x7 mm Front Scales: K� A� =� B� TI2� TI1� SI� =� D� DI Back Scales: DF� =� CF� CIF� CI� C� =� D� L
Sun Hemmi 251	5668	Generic slide rule, 322x41x7 mm Front Scales: K� A� =� B� T� S� ST� C� =� D� DI Back Scales: L� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Sun Hemmi 254 W	5681	Generic slide rule, 320x45x7 mm Front Scales: K� A� =� B� TI� SI� C� =� D� DI� L Back Scales: LL/1� LL/2� LL/3� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Sun Hemmi 255 D	3110	Electrical slide rule of bamboo/plastic, 320x45x7 mm Front Scales: Sh1� Sh2� Th� A� =� B� TI2� TI1� SI� C� =� D� DI� c� q, Back Scales: L� K� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Sun Hemmi 256	5667	Log/tech slide rule, 322x44.5x7 mm Front Scales: L� db� Neper� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1, Back Scales: A�� L� =� C� SI� TI� =� D� l� F
Sun Hemmi 257	2468	Log/tech slide rule of bamboo, 320x44.7x7 mm Front Scales: L� A� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1 Back Scales: Ch(A-M and N-Z)� M1� =� M2� T(�F� �C� �K)� F(t)� =� P(kg/cm2 and mmhg and in.Hg Vac)� tw
Sun Hemmi 257 L Odelco	5665	Log/tech slide rule of bamboo, 320x44.7x7 mm Front Scales: L� K� A� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1, Back Scales: Ch(A-M and N-Z)� M1� =� M2� T(�F� �C� �K)� LM� =� mmhg and kg/cm2 and in.Hg Vac� tw
Sun Hemmi 259 D	2791	Generic slide rule of bamboo/plastic, 320x45x7 mm Front Scales: L� K� A� =� B� T� S� ST� C� =� D� DI� LL0� LL/0 Back Scales: LL/1� LL/2� LL/3� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Sun Hemmi 2634	2487	Generic slide rule of plastic, 150x29x5 mm Front Scales: 14cm� /� K� DF� =� CF� CI� C� =� D� A Back Scales: =� TI2� TI1� L� SI� =
Sun Hemmi 266 Electronics	2901	Electrical slide rule of plastic, 320x45x7 mm Front Scales: LL3� LL1� LL2� LL2� A� =� B� BI� CI� C� =� D� db� L� S� T Back Scales: XL� XC� F� r1� P� =� r2� Q� L� Cf� Cz� =� L� Z� f0� l
Sun Hemmi 2664	3066	Generic slide rule of plastic, 284x40x10 mm Front Scales: 10inch� /� K� DF� =� CF� CI� C� =� D� A� ]� 27cm Back Scales: =� TI2� TI1� L� SI� =
Sun Hemmi 2664 S	3103	Generic slide rule of bamboo/plastic, 295x41x11 mm Front Scales: 27cm� /� K� DF� =� CF� CIF� CI� C� =� D� A ]� 13-0-13cm, Back Scales: =� TI2� TI1� L� SI� =
Sun Hemmi 269 Civil	2474	Log/tech slide rule of plastic, 320x44.5x7.8 mm Front Scales: L� F� K� A� =� B� K'� CI� C� =� D� LL3� LL2� LL1 Back Scales: CL� SL� M� TL� =� R� ST� T� S� C� =� D� DI� SIN COS(1)� (2) COS2
Sun Hemmi 279	2475	Generic slide rule of bamboo/plastic, 576x44.8x6.8 mm Front Scales: L� K� A� =� B� T� S� ST� C� =� D� LL0� LL/0 Back Scales: LL/1� LL/2� LL/3� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Sun Hemmi 30	2397	Generic slide rule of bamboo/plastic, 120x22x6 mm Front Scales: 10cm� /� A� =� B� CI� C� =� D Back Scales: =� S� L� T� =
Sun Hemmi 32	3385	Generic slide rule of plastic/bb, 120x21.3x5.7 mm Front Scales: 4inch� /� A� =� B� CI� C�� =� D Back Scales: =� S� L� T� =
Sun Hemmi 34 RK	2412	Generic slide rule of bamboo, 150x29x5.5 mm Front Scales: 5inch� /� A� =� B� CI� C� =� D� K Back Scales: =� S.� L.� T.� =
Sun Hemmi 34 T	3694	Generic slide rule of plastic, 148x mm Front Scales: 14cm� /� A� = B C� =� D, Back Scales: =� S� L� T� =
Sun Hemmi 40 RK	2414	Generic slide rule of bamboo/aluminium, 280x28.5x8.5 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Sun Hemmi 40 RK� Ahrend	2416	Generic slide rule of bamboo/aluminium, 280x28.5x8.5 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Sun Hemmi 43 T	3675	Generic slide rule of plastic, 148x29 mm Front Scales: 14cm� /� A� =� B� C� =� D Back Scales: =� S� L� T� =
Sun Hemmi 45	5670	Generic slide rule, 220x28.5x8.3 mm Front Scales: DF� =� CF� CI� C� =� D� A Back Scales: =� TI� L� SI� =
Sun Hemmi 45 K	2420	Generic slide rule of bamboo/aluminium, 230x28x8.5 mm Front Scales: K� DF� =� CF� CI� C� =� D� A Back Scales: =� TI� L� SI� =
Sun Hemmi 50 W	2428	Generic slide rule of bamboo/aluminium, 296x41.5x11 mm Front Scales: 27cm� /� A� =� B�� CI� C� =� D�� K� ]� 13-0-13cm Back Scales: = S� L� T� =
Sun Hemmi 64 Rietz	2430	Generic slide rule of bamboo/aluminium, 295x41x11.2 mm Front Scales: 27cm� /� K� A� =� B�� CI� C� =� D� L� /�� 13-0-13cm Back Scales: =� S� S&T� T� =
Sun Hemmi 64 T	2440	Generic slide rule of bamboo/aluminium, 296x40.5x11.4 mm Front Scales: 27cm� /� K� A� =� B� BI� CI� C� =� D� DI� L Back Scales: =� T2� T1� ST� S� =
Sun Hemmi 640 S	5671	Generic slide rule, 295x53x9.2 mm Front Scales: 27cm� /� K� DF� =� CF� CIF� CI� C� =� D� A� L Back Scales: =� ST1� TI2� TI1� SI� CI� =
Sun Hemmi 642 T� Ahrend	2485	Generic slide rule of wood/plastic, 296x53x9 mm Front Scales: 27cm� /� K� A� =� B� BI� CI� C� =� D� DI� L Back Scales: =� T2� T1� ST� S� =
Sun Hemmi 66 Rietz	2442	Generic slide rule of bamboo/aluminium, 180x30.5x8.2 mm Front Scales: 15cm� /� K� A� =� B� CI� C� =� D� L� ]� 6inch Back Scales: =� S� S&T� T� =
Sun Hemmi 74	2444	Generic slide rule of plastic, 150x29.5x5.5 mm Front Scales: 14cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Sun Hemmi 80 / 3 Electro	2449	Electrical slide rule of bamboo/aluminium, 295x40.4x11 mm Front Scales: 27cm� /� LL2� A� =� B� CI� C� =� D� LL2� ]� 10inch� #Dynamo-Motor� Volt#, Back Scales: =� S� L� T� =
Sun Hemmi 80 K	2446	Electrical slide rule of bamboo/aluminium, 296x41x11 mm Front Scales: 27cm� /� Dynamo.Motor�� Volt� A� =� B� CI� C� =� D� LL3� LL2� ]� K, Back Scales: =� S.� L.� T.� =
Sun Hemmi 86/3 K	5684	Generic slide rule, 179x41x11 mm Front Scales: 15cm� /�� LL2� A� =� B� CI� C� =� D� LL3� (#Dynamo Motor Volt#), Back Scales: =� S� L� T� =
Sun Hemmi 90	5683	Generic slide rule of wood/celluloid, 295x41x11 mm Front Scales: 27cm� /� L� A� =� sin cos� A� =� B� C� ]� K� AI Back Scales: =� S� S&T� T� =
Sun Hemmi A 1/1	5680	Generic slide rule of wood/celluloid, 280x34x10 mm Front Scales: 10inch� /� A =� B� C� =� D�� ]� cm (#28-55cm#) Back Scales: =� S� L� T =
Sun Hemmi B 1/2	5679	Generic slide rule, 280x34x10 mm Front Scales: 10inch� /� A� =� B� C� =� D� (#30-55cm#) Back Scales: =� S� L� T� =
Sun Hemmi P 261	2472	Generic slide rule of plastic, 328x46x5 mm Front Scales: T� ST� K� A� =� B� BI� CI� C� =� D� L� P� S Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
Sun Hemmi P 280	2477	Generic slide rule of plastic, 330x46x3.4 mm Front Scales: T� K� A� =� B� CI� C� =� D� L� S� ST Back Scales: =� LL1� LL2� LL3� =
Sun Hemmi P 280 Ahrend	2476	Generic slide rule of plastic, 330x46x3.5 mm Front Scales: T� K� A� =� B� CI� C� =� D� L� S� ST Back Scales: =� LL1� LL2� LL3� =
Sun Hemmi P 281	2481	Generic slide rule of plastic, 330x46x3.4 mm Front Scales: T� K� A� =� B� CI� C� =� D� L� S� ST
Sun Hemmi P 281 Ahrend	2479	Generic slide rule of plastic, 330x46x3.4 mm Front Scales: T� K� A� =� B� CI� C� =� D� L� S� ST
Sun Hemmi P 281 Ahrend Instruction rule	2480	Generic slide rule of wood/plastic, 1530x440x35 mm Front Scales: T� K� A� =� B� CI� C� =� D� L� S� ST
Sun Hemmi P 283	3436	Generic slide rule of plastic, 332x47x4 mm Front Scales: K� A� DF� =� CF� CI� C� =� D� L� T� S Back Scales: =� LL1� LL2� LL3� =
Sun Hemmi P 283 Ahrend	2483	Generic slide rule of plastic, 332x47x4 mm Front Scales: K� A� DF� =� CF� CI� C� =� D� L� T� S Back Scales: =� LL1� LL2� LL3� =
Sun Hemmi P 40 RK	2418	Generic slide rule of plastic, 280x28x5 mm Front Scales: A� =� B� CI� C� =� D� K, Back Scales: =� S� L� T� =
Sun Hemmi P 45 K	2423	Generic slide rule of plastic, 235x28x5 mm Front Scales: K� DF� =� CF� CI� C� =� D� A Back Scales: =� TI� L� SI� =
Sun Hemmi P 45 S	2426	Generic slide rule of plastic, 233x286.5 mm Front Scales: K� DF� =� CF� CI� C� =� D� A Back Scales: =� TI� L� SI� =
Sun Hemmi P 452 System H. Croon	2484	Generic slide rule of plastic, 331x46x4 mm Front Scales: ST� K� A� =� B� BI� CI� C� =� D� P� S� T Back Scales: LL1� LL2� LL3� DF� =� CF� CIF� CI� C� =� D� L� INCH� CM
Sun Hemmi The Hughes Owens Co. Limited No. 1766	3251	Generic slide rule of bamboo/plastic, 319x41x6.5 mm Front Scales: K� A� =� B� CI� C� =� D� T Back Scales: �� Re� P� =� Q� Q'� C� =� LL3� LL2� LL1
Sundowners Almanac Company	3899	Astronomy disc of plastic
Supremathic Stephens	3881	By Made in France, generic disc of metal, 120x102x8 mm
Supreme, The	3074	Generic slide rule of wood/plastic, 300x41x9 mm Front Scales: M� S� A� =� B� CR� C� =� D� T� N
Swaay Zoninstraling door Glas	2489	Technical disc of plastic, 132x136 mm
Sybron Corp. 98022 Combustion Efficiency Calculator	5265	Technical slide chart of plastic/cardboard, 209x76x1.31974 mm Front Scales: See Picture, Back Scales: See Picture
Sylvania Energy Saver	5329	Financial slide chart of cardboard, 274x195x3 mm Front Scales: See Picture, Back Scales: See Picture
Sylvania Flash Slide-a-Guide	5369	Electrical slide chart of cardboard, 147x38x1.3 mm� (1951) Front Scales: See Picture, Back Scales: See Picture
T.E.R No. 5� G.P.O. 1958	5070	Log/tech slide rule
T.E.R. No. 4 G.P.O. 1947 22 V.C.B.	5066	Electrical slide rule
Tandy Radio Shack Resistor / Capacitor / Inductor color guide	5383	Electrical disc of cardboard, 107x55x1.6 mm Front Scales: See Picture Back Scales: See Picture
Tavernier Gravet	2029	Generic slide rule of wood/celluloid, 293x38x11 mm Front Scales: 27cm� /� K� A� =� B� CI� C� =� D� L� ]� 10inch Back Scales: =� S� ST� T� =
Tavernier Gravet	2493	Generic slide rule of all wood, 260x28.1x8.4 mm� (1900) Front Scales: 25cm� /� A� =� B� C� =� D� ]� 26cm�� #27-51cm# Back Scales: =� S� T� L� =
Tavernier Gravet	2495	Generic slide rule of all wood, 260x27x7.5 mm� (1860-70) Front Scales: 25cm� /� A� =� B� C� =� D� ]� 27cm�� #26-52cm# Back Scales: =� S� L� T� =
Tavernier Gravet	2497	Electrical slide rule of plastic, 300x40x9 mm Front Scales: 25cm� /� LL2� A� =� B�� CI� C� =� D� LL3� #DYNAMO-MOTEUR� VOLT#, Back Scales: =� S� S&T� T� =
Tavernier Gravet	5089	Generic slide rule of all wood
Tavernier Gravet 160 Yuasa	5810	Log/tech slide rule
Tavernier Gravet Regle Beghin	2500	Generic slide rule of wood/plastic, 280x31x9.2 mm Front Scales: 25cm� /� CF =� DF� CIF� C� =� D� ]� 1)� L� #31-53cm#, Back Scales: =� S� ST� B� =
Tavernier Gravet Topographie	2501	Generic slide rule of all wood, 270x35.5x9 mm Front Scales: 0-20cm� 20-0cm� 1,5-100� 99.5-0� /� Cosinus� Sinus� =� Sinus� Cosinus� Nomb.Dist.� =� Prod.Nomb Back Scales: =� Tang� Cotang.� Cotang.� Tang.� =
Technical Waxis Ltd	5389	Technical slide chart of plastic, 57x151x1.2 mm Front Scales: See Picture, Back Scales: See Picture
Tecnostyl 40/R Rietz	2506	Generic slide rule of plastic, 280x43x6.2 mm Front Scales: 27cm� /� K� A� =� B�� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Tecnostyl 41/C	2507	Generic slide rule of plastic, 149x31x3.8 mm Front Scales: 14cm� /� A� =� B� %� h� st� C� =� D
Tecnostyl 41/C	5783	Generic slide rule of plastic
Tecnostyl 41/C4	2517	Log/tech slide rule of plastic, 154x37x4 mm Front Scales: 14cm� /� A� =� B� %� h� st� %� st� h� st�� C� =� D Back Scales: =� B� %� h� st� %� st� h� st� C� =
Tecnostyl 41/D	2508	Generic slide rule of plastic, 150x37x4 mm Front Scales: 14cm� /� P� K� A� =� B�� CI� C� =� D� tg� SEN Back Scales: =� LL1� LL2� LL3� =� 5.5inch
Tecnostyl 41/E Electro	2510	Generic slide rule of plastic, 149x314x3.5 mm Front Scales: 14cm� / cosa�� A� =� B�� CI� C� =� D� cosa Back Scales: =� S� lg� T� =
Tecnostyl 41/R	2511	Generic slide rule of plastic, 149x31.5x3.5 mm Front Scales: 14cm� /� K� A� =� B�� CI� C� =� D� L Back Scales: =� S� S&T� T� =
Tecnostyl Calcolator	2503	Generic disc of plastic, 160x9 mm Front Scales: A� =� B
Tecnostyl Calcolator Gegolo da Tavolo	2776	Generic disc of plastic, 160x8 mm Front Scales: A� =� B
Tecnostyl Regolo per Trigonometria	2885	Calculate slide chart of plastic, 130x54x2.2 mm Back Scales: 12cm
Tecnostyl ST 41	2515	Generic slide rule of plastic, 150x27x3.5 mm Front Scales: A� =� B� CI� C� =� D� K
Tektronix Circuit Computer TEK 003-023	5811	Log/tech disc
Telefunken Fernmeldekabel	5321	Electrical slide chart of cardboard, 105x210x1 mm Front Scales: See Picture, Back Scales: See Picture
Telex� E 6B Computer Model FDF 47	2526	Aviation disc of metal, 242x125x11 mm� (1974)
Telex Mark 6 A Chart Plotting Board	2860	Aviation disc of plastic/bakelite, 304x304x15 mm� (1974) Front Scales: Top plate: 1)� =� Disc 1: 2)�� Disc 2:� 3) Back Scales: Disc 1: 2)
Telex MET - 56 Anglo Met Convertor	2792	Conversion disc of plastic, 152x1.5 mm� (1974) Front Scales: C� =� D 1)� 2)
Telex Pilots Computer and Plotter AL 2	2796	Aviation disc of plastic, 98x115x3 mm
Tesa Maximatic	3574	Generic disc of metal, 103x107x7 mm
Texas Instruments TI-FETs	5263	Electrical slide chart of cardboard, 222x84x1.2 mm Front Scales: See Picture, Back Scales: See Picture
Thom Pump	5075	By Geo. L. Thom Ohio, log/tech slide rule
Thornton	2528	Generic slide rule of wood/plastic, 280x33x12 mm Front Scales: 10inch� /� A� =� B� C� =� D� ]� 26cm Back Scales: =� S� ST� T =
Thornton	2813	Generic slide rule of wood/plastic, 280x25x12 mm Front Scales: 26cm� /� A� =� B� C� = D� ]� 10inch Back Scales: =� S� L� T� =
Thornton� Speed Time Distance	2532	Generic slide rule of wood/plastic, 282x38x12 mm Front Scales: 10inch� /� 1)� =� 2)� 3)� =� 4)� ]� 25cm Back Scales: =� 5)� =
Thornton 131	2544	Electrical slide rule of wood/plastic, 303x45x11 mm Front Scales: 27cm� /� LL2� LL3� A� =� B� CI� isb� Tb� C� =� D� K� \� 10inch� #Dyn.Motor� Volt#
Thornton 3649	3071	Generic slide rule of wood/plastic, 291x41x11.5 mm Front Scales: 27cm� /� LL2� A� =� B� CI� C� =� D� LL3� \� 10inch Back Scales: =� S� L� T� =
Thornton 3650	2780	Electrical slide rule of plastic, 291x37x12 mm Front Scales: 27cm� /� LL2� A� =� B� C� =� D� LL3� ]� 10inch� #Dynamo� Motor n=%� Volt#, Back Scales: =� S� L� T� =
Thornton AA 010 Comprehensive	2533	Generic slide rule of plastic, 359x50.8x5 mm Front Scales: S� ST� T� A� =� B� L� K� C� =� D� DI� Ps� Pt Back Scales: LL01� LL02� LL03� DF� =� CF� CI� isd� itd� Td� Sd� C� =� D� LL3� LL2� LL1
Thornton AD 050 Log Log	2535	Generic slide rule of plastic, 359x50.8x5 mm Front Scales: LL2� LL3� L� A� =� B� CI� isd� itd� Td� Sd� C� =� D� S� ST� T
Thornton AD 070 Modern Maths	2536	Generic slide rule of plastic, 360x50.5x5 mm Front Scales: K� A� =� B� CI� C� =� D� L
Thornton AD 150 advanced	2547	Generic slide rule of plastic, 358x50.5x5 mm Front Scales: LL1� LL2� LL3� A� =� B� CI� K� C� =� D� S� ST� T
Thornton Bilham Humidity	2560	Log/tech slide rule of wood/plastic, 282x38x13.5 mm Front Scales: 5)� =� (6)� (4)� (3c)� =� (2)� (1a)� (1) Back Scales: =� (6)� (4)� (3a)� (3)� =
Thornton P 221 Comprehensive	2551	Generic slide rule of plastic, 359x50.8x5 mm� (1967) Front Scales: S� ST� T� A� =� B� L� K� C� =� D� DI� Ps� Pt Back Scales: LL01� LL02� LL03� DF� =� CF� CI� isd� itd� Td� Sd� C� =� D� LL3� LL2� LL1
Thornton P 241 Log Log	2553	Generic slide rule of plastic, 359x50.8x5 mm Front Scales: LL2� LL3� L� A� =� B� CI� C� =� D� S� ST� T Back Scales: 25.5cm� K� DF� =� CF� CI� C� =� D� A� 10inch
Thornton P 271 Log Log	2557	Generic slide rule of plastic, 360x51x5 mm Front Scales: LL2� LL3� L� A� =� B� CI� isd� Td� C� =� D� S� ST� T
Thornton P 281 Standard	2559	Generic slide rule of plastic, 360x51x5 mm Front Scales: 25cm� K� DF� =� CF� CI� C� =� D� A� 10inch
Thornton PIC 141	2546	Generic slide rule of wood/plastic, 299x45x12 mm� (1962) Front Scales: 10inch� /� S� 1)� A� =� B� CI� 2)� 3)� 4)� C� =� D� T� ]� 5)� L
Thornton PIC Junior	3070	Generic slide rule of wood/plastic, 283x27x9 mm Front Scales: A� =� B� C� =� D
Thornton PIC VP 124 - PC 5	2795	Log/tech slide rule of plastic, 167x45x4.3 mm Front Scales: 5inch� /� E1� E2� A� =� B� RC� 1)� C� =� D� f(s) Back Scales: 13cm
Thornton VF 0123	2541	Generic slide rule of wood/plastic, 290x34x11.5 mm Front Scales: 10inch� /� A� =� B� C� =� D� ]� 26cm Back Scales: =� S� L� T� =
Thornton VP 150 PC2A	3936	Generic slide rule of plastic, 159x32x4.5 mm Front Scales: 5inch� /� A� =� B� RC� C� =� D
Tijdzone-overdrager. Rekenschijf voor ...	2564	Technical disc of aluminium, 423x423x3 mm
TNO U kunt op TNO rekenen	5413	Generic disc of cardboard, 129x0.4 mm Front Scales: C� =� D
Toxic Calculator Downwind Toxic Vapor Hazard FSN 6665 893 0986.	2566	Log/tech disc of plastic, 114x1.2 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)
TP - 66 M	2072	Military slide rule of metal, 380x140x2.5 mm
Trd Energie Besparingsschijf� GTI Installatietechniek	2568	Technical disc of plastic, 190x3 mm� (1980)
Trd Energie Besparingsschijf Klimaatkontrakt	2569	Technical disc of plastic, 190x3 mm� (1980)
Treysit Drehzahlmesser	2571	Log/tech disc of bakelite, 85x17 mm Front Scales: 1)� 2)
Trical Disque Calculateur pour Tricotage	0265	Knitting disc of plastic, 136x201x1 mm
Trilux Licht-Rechner	2573	Generic disc of metal, 100.6x1.8 mm� (1962) Front Scales: f� n� E� =�� F� h, Back Scales: C� =� D
Tr�ger Hans	2574	Generic disc of wood/plastic, 295x6 mm Front Scales: C� =� D
Tr�ger K. Emil	2869	Generic disc of wood/plastic, 300x4 mm Front Scales: C� =� D� CI
Tr�ger K. Emil 37/393/6004	2798	Generic disc of wood/plastic, 300x4 mm Front Scales: C� =� D� CI
Trutrak Cigarette Dimension and Weight Calculator	3952	Disc of plastic, 222 mm
U&S Warrented Best Box Carpenters Rule	3572	By U7S, log/tech 2 fold rule of wood/metal, 315x48x4 mm Front Scales: 1-12inch� === 40-4� = A� =� B Back Scales: 1-12inch� E� ===� 8SQUARE LINE� 12-24inch
Underhill Maker & Optician Manchester	3020	Generic slide rule of all wood, 279x23x5,5 mm Front Scales: scale 90-0� [� A� =� B� C� =� D� ]� 11inch Back Scales: 1/4inch� 1/2inch� 3/4inch� 1inch� =� SIN� TAN� L� =
Unique Brighton	2579	Generic slide rule of wood/plastic, 290x47x105 mm Front Scales: 25,4cm� /� K� A� =� B� CI� C� =� D� L� P� ]� S� T Back Scales: =� LL1� LL2� LL3� =
Unique Concrete Volume	3025	Concrete slide rule of wood/plastic, 165x41x9 mm Front Scales: 1)� 2)� =� 3)� ....� 6)� =� 7)
Unique Electrical	2581	Generic slide rule of wood/plastic, 289x37x9.5 mm Front Scales: LL2� FAHR.� CF� =� DF� V� CI� C� =� D� CENT.� LL3
Unique Log Log	2585	Generic slide rule of wood/plastic, 290x32x9.5 mm Front Scales: LL2� A� =� B� C� =� D� LL3
Unique Log Log U 2	2600	Generic slide rule of wood/plastic, 305x32x8.5 mm Front Scales: LU� A� =� B� C� =� D� LL
Unique The Five Ten	2583	Generic slide rule of wood/plastic, 152x31x9.4 mm Front Scales: C� R1� =� R1� L� R2� =� R2� D
Unique Universal	2594	Generic slide rule of wood/plastic, 290x37x9.5 mm Front Scales: LL2� S� A� =� B� CI� C� =� D� T� LL3
Unique Universal I�� U.I.	2863	Generic slide rule of wood/plastic, 290x37x9.5 mm Front Scales: LU� S� A� =� B� R� C� =� D� T� LL
Unique Universal One	2593	Generic slide rule of wood/plastic, 309x43x8 mm Front Scales: LU� S� A� =� B� CI� C� =� D� T� LL
Unis France	2602	Generic slide rule of plastic, 140x32.6x2.6 mm Front Scales: 13cm� /� A� =� B� C� =� D
Unis France	2604	Generic slide rule of plastic, 148x32.5x3 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: = S� ST� T� =
Unis France 5 Marc Electricien	2609	Generic slide rule of plastic, 149x33x3 mm Front Scales: 13cm� /� KW� A� =� B� C� =� D�� #DYN MOT#
Unis France 6	2610	Generic slide rule of plastic, 149x32.8x2.9 mm Front Scales: 13cm� /� K� A� =� B� CI� C �=� D� L Back Scales: =� S� ST� T� =
Universum HH	2613	By HH Universum, generic slide rule of wood/plastic, 123x40x10 mm Front Scales: 20cm� /� K� A� =� B� CI� C� =� D� L� \� 1:25 Back Scales: =� S� T� =
USAF 1951 Resolution Conversion Chart	5379	Conversion slide chart of cardboard, 92x50x1 mm� (1951) Front Scales: See Picture, Back Scales: See Picture
UTO (Befugterregnestok) Humidity Computer	1525	Log/tech slide rule of plastic, 201x95x2.4 mm Front Scales: X� �x� ES300� ES400� ES500� V� =� j� x2� x1
UTO 1	1506	Generic slide rule of plastic, 328x37x4 mm Front Scales: A� DF� =� CF� CIF� CI� C� =� D� K
UTO 11	1505	Generic slide rule of plastic, 330x37x3.8 mm Front Scales: K� A� =� B� BI� CI� C� =� D� 26cm
UTO 503 Incomplete print	1511	Generic slide rule of plastic, 296x42x4 mm Front Scales: L� K� A�� =� B� CI� C� =� D� ST� T� S
UTO 511 U	1515	Generic slide rule of plastic, 294x43x4 mm Front Scales: 27cm� /� Motor� K� A� =� B� CI� C�� =� D� Volt� T� S Back Scales: =� LL1� LL2� LL3� =
UTO 561	1504	Generic slide rule of plastic, 296x42x3.5 mm Front Scales: 27cm� /� L� A� DF� =� CF� CI� C� =� D� ST� T� S
UTO 601	2618	Generic slide rule of plastic, 150x33x4 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
UTO 601 U	2620	Generic slide rule of plastic, 149x33.8x4.2 mm Front Scales: 13cm� /� K� A� =� B� CI� C� =� D� L Back Scales: =� S� S&T� T� =
UTO 602	0518	Generic slide rule of plastic, 150x28x3 mm Front Scales: K� A� =� B� CI� C� =� D� L
UTO 602 U Institut	0544	Generic slide rule of plastic, 146x28x2.4 mm Front Scales: K� A� =� B� CI� C� =� D� L
UTO 603	0567	Generic slide rule of plastic, 150x42x3 mm Front Scales: 13cm� /� L� K� A� =� B� CI� C� =� D� ST� T� S
UTO 611 Richter Electro 22	0621	Generic slide rule of plastic, 150x42x4 mm Front Scales: 13cm� /� Dyn-Mot� Volt� A� =� B� CI� C� =� D� cos� cos� L, Back Scales: =� S� S&T� T� =
UTO 611 U	0633	Generic slide rule of plastic, 296x42x4 mm Front Scales: 27cm� /� L� K� A� =� B� CI� C� = D� ST� T� S Back Scales: =� LL1� LL2� LL3� =
UTO 621	1538	Generic slide rule of plastic, 174x38x4 mm Front Scales: K� A� =� B� BI� CI� C� =� D� T� ST� S Back Scales: LL3� LL2� LL1� DF� =� CF� CIF� CI� C� =� D� L
UTO 651 (with cm scale)	1060	Generic slide rule of plastic, 150x42x4 mm Front Scales: 13cm� /� L� K� A� =� B� CI� C� =� D� P� S� T Back Scales: =� LL1� LL2� LL3� =
UTO 661	1532	Generic slide rule of plastic, 153x42x3 mm Front Scales: 13cm� /� L� A� DF�� =� CF� CI� C� =� D� ST� T� S
UTO 901	1361	Generic slide rule of plastic, 329x45x4.2 mm Front Scales: T2� K� A� =� B� BI� CI� C� =� D� S� ST� T Back Scales: LL1� LL2� LL3� DF� =� CF� CIF� % CI� C� =� D� L� P
UTO 930	1512	Generic slide rule of plastic, 129x48x4 mm Front Scales: LL00� L� K� A� =� B� T� ST� S� C� =� D� DI� P LL0 Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
UTO 930 Studium	1508	Generic slide rule of plastic, 329x48x4 mm Front Scales: LL01� LL02� LL03� A� =� B� L� K� C� =� D� LL3� LL2� LL1, Back Scales: ST� T� T2� DF� =� CF� CIF� CI� C� =� D� DI� P� S
UTO 931 U	1514	Generic slide rule of plastic, 330x48x4 mm Front Scales: T2� L� K� A� = B� T� ST� C� =� D� DI� P� S Back Scales: LL01� LL02� LL03� DF� =� CF� CIF� CI� C� =� D� LL3� LL2� LL1
UTO Air surplus Computer	1531	Log/tech slide rule of plastic, 150x34x4 mm Front Scales: �C %� =� %CO2� %O2� % Luftoverskud� C� =� D� �C
UTO Air surplus Computer White	1530	Log/tech slide rule of plastic, 150x34x4 mm Front Scales: �C %� =� %CO2� %O2� % Luftoverskud� C� =� D� �C
UTO Artillery FH 155 mm M1A1-HE DM 21/M107 Lad 3	0464	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery FH 155 mm M1A1-HE DM 21/M107 Lad 3	0465	Military slide rule of plastic, 296x43x4 mm Front Scales: 27cm� and special scales
UTO Artillery FH 155 mm M1A1-HE DM 21/M107 Lad 4	0466	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery FH 155 mm M1A1-HE DM 21/M107 Lad 4	0467	Military slide rule of plastic, 296x43x4 mm Front Scales: 27cm� and special scales
UTO Artillery FH 155 mm M1A1-HE DM 21/M107 Lad 6	0468	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery FH 155 mm M1A1-HE DM 21/M107 Lad 6	0469	Military slide rule of plastic, 296x43x4 mm Front Scales: 27cm� and special scales
UTO Artillery FH 155 mm M1A1-HE DM 21/M107 Lad 7	0470	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery FH 155 mm M1A1-HE DM 21/M107 Lad 7	0471	Military slide rule of plastic, 296x43x4 mm Front Scales: 27cm� and special scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 3	3628	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 3	3629	Military slide rule of plastic, 295x43x4 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 4	3630	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 4	3631	Military slide rule of plastic, 295x43x4 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 6	3632	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 6	3633	Military slide rule of plastic, 295x43x4 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 7	3634	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 7	3635	Military slide rule of plastic, 295x43x4 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 8	3636	Military slide rule of plastic, 402x68x6 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery PzH 155 mm M109G-HE DM 21/M107 Lad 8	3637	Military slide rule of plastic, 295x43x4 mm Front Scales: Special scales Back Scales: Several scales
UTO Artillery Wettergrafik I	0463	Military disc of plastic, 298x210x1.2 mm
UTO Artillery Wettergrafik II	3638	Military disc of plastic, 298x210x1.2 mm
UTO Asphalt calculator	1536	Log/tech slide rule of plastic, 179x27x3 mm Front Scales: kg/m3� =� mm� kg/m2� =� type or road
UTO Concrete	0616	Log/tech slide rule of plastic, 148x28x3 mm Front Scales: KC21� =� SAND� =� KC11
UTO Danfoss Refrigerant Slide with SI-Units and Conversion Slide	1523	Log/tech slide chart of plastic, 240x90x1.8 mm Front Scales: Scales 1 - 10 Back Scales: Scales 11 - 21
UTO Det Danske Staalvalsevaerk A/S	6005	Log/tech slide rule of plastic, 329x49x4 mm Front Scales: A� =� B� C� =� D
UTO Egebjerg Udfodringsberegner	1522	Log/tech slide rule of plastic, 220x57x4 mm Front Scales: a� =� b� c� =� d� e� =� f
UTO Gjerdevik & Bjerring	2130	Log/tech slide rule of plastic, 212x42x4 mm Front Scales: 17cm� R� =� Uc� 1/Uc� =� EOQ� K� Oc� =� i Back Scales: S� T� =� Mp� C� =� Df� AI� A� =� B� Qd� %
UTO Gjerdevik & Bjerring	5798	Log/tech slide rule of plastic/perspex, 227x48x3.8 mm Front Scales: R� =� Uc� 1/Uc� =� EOQ� K� Oc� =� i Back Scales: S� T� =� Mp� C� =� Df� AI� A� =� B� Qd
UTO Kanalregnestok	5794	Log/tech slide chart of plastic/perspex, 211x148x5 mm Front Scales: Q� =� v� d� =� z, Back Scales: z� =� l� v� =� Tryktab
UTO Luftkanal-Rechenstab III 12. Auflage System Pielke	2567	Log/tech slide rule of plastic, 298x40x3 mm Front Scales: D� A� b� =� a� R� Pdyn� w� =� V� Vs� V-R
UTO Machine Tool Operation	2214	Log/tech slide rule of plastic, 220x58x4.4 mm Front Scales: v� =� d� =� s� t� =� L
UTO Meteorology	1540	Meteorology slide rule of plastic, 213x43x4 mm Front Scales: 20cm� /� A� B� C� =� D� E� F� =� H� I
UTO Nautical slide rule	2223	Nautical slide rule of plastic, 295x39x4 mm Front Scales: 27cm� /� time� =� distance� =� time Back Scales: =� latitude� =
UTO Noise dose meter	2216	Log/tech slide rule of plastic, 250x37x3.8 mm Front Scales: db� =� time� =� Noise Dose Count
UTO Purker/Kyr ???	2222	Medical slide rule of plastic, 298x34x4 mm Front Scales: Purker Months� =�� =� Kyr Months
UTO Radiographic Exposure Calculator	1533	Radioactivity slide rule of plastic, 179x42x4 mm Front Scales: 16cm� /� Time� =� Curies� dist.� =� inch� years� =� Roetgens, Back Scales: =� =� inch� months� =
UTO Radiographic slide rule	1535	Radioactivity slide rule of plastic, 150x33x4.3 mm Front Scales: 13cm� /� time� =� Cobolt� cm� cm� =� Curie
UTO Regnestok for Maskinbarbejdning	0619	Log/tech slide rule of plastic, 225x42x4.4 mm Front Scales: 21cm� /� v� =� d� =� s� t� =� L
UTO Schultz Navigational Computer	1521	Nautical slide chart of plastic, 102x241x5.3 mm
UTO Skyderegnestok M/64 for 203 mm H M/55 FA. BGR M 106. L5 (Variant)	6004	Military slide rule of plastic, 400x68x6.2 mm Front Scales: see picture Back Scales: see picture
UTO Skyderegnestok M/66 for 120 mm morter M/50 FA. BGR M/50.� RGR M/56.	6003	Military slide rule of plastic, 320x68x6 mm Front Scales: see picture Back Scales: see picture
UTO SOVAERNET EI� 6675-22-290-1543	6001	Nautical slide rule of plastic, 295x39x4 mm Front Scales: 27cm� /� time� =� Distance or Speed or Dep� =� time, Back Scales: =� Latitude� =
UTO Specialregnestok for 155 mm K M/52.� BGR M 101. LS.	5799	Military slide rule of plastic, 295x43x4 mm Front Scales: 27cm� / various technical scales
UTO Sun Computer Suncal	1526	Log/tech slide rule of plastic, 295x102x6 mm
UTO Technical	0273	Log/tech slide rule of plastic, 150x34x4 mm Front Scales: 13cm� /� �C %� =� %CO2� %O2� %Luftoverskud� C� =� D� �C Back Scales: =� Centistoeks� �Engler� Redwood No.1 Sek� =
UTO Torins Grafiska	1517	Generic disc of plastic, 104x1.4 mm Front Scales: C� =� D
UTO two stocks	1537	Generic slide rule of plastic, 140x12x6.5 mm Front Scales: A� =� B� [� CI� C� =� D� ]� 13cm
UTO Vindregnestok M/67	6000	Meteorology slide rule of plastic, 298x43x4 mm Front Scales: 27cm� /� time� =� distance� airspeed� =� TS, Back Scales: mb� NATO-enheder� Skala %� �C� NATO-enheder
UTO Weight Computer	1528	Log/tech slide rule of plastic, 149x33x4.5 mm Front Scales: 5inch� /� A� =� B� E� F� C� =� D
VDH Construction buro Balkenschuif	5256	Technical slide chart of cardboard, 190x105x1.4 mm Front Scales: See Picture, Back Scales: See Picture
VEB Mantissa 1731523/4 (DDR) Darmstadt II	2887	Generic slide rule of plastic, 331x40x4 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: P� ST� =� LL1� LL2� LL3� =� D� T� S
VEB Mantissa 1731541 (DDR) Darmstadt II	2633	Generic slide rule of plastic, 331x43x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� S� T� ST
VEB Mantissa DDR - Multi	2629	Generic slide rule of plastic, 160x45x4 mm Front Scales: 13cm� /� ST� A� DF� =� CF� CIF� CI� C� =� D� P� S� T, Back Scales: =� LL1� LL2� LL3� L� =
VEB Mantissa DDR >RECORD< 1731421	3450	Generic slide rule of plastic, 328x48x4 mm Front Scales: L� K� A� =� B� CI� C� =� D� LL1� LL2� LL3 Back Scales: P� S� ST� DF� =� CF� CIF� CI� C� =� D� T1� T2� DI
VEB Zerspannungswerte	3560	Technical slide chart of metal/plastic, 300x96x3 mm
Verkoopkantoor voor Schroefbouten Bolt sizes	3433	By vvs, technical slide chart of cardboard, 250x75x1 mm Front Scales: Many scales
Vesdre Systeme M. Defraine	3904	Textile disc of aluminium, 75x1 mm
Viba Connections with Glue	5254	Technical slide chart of cardboard, 80x179x0.9 mm Front Scales: See Picture, Back Scales: See Picture
Vickers	5781	Slide rule
Vickers Armstrong Scimitar F.MK.1 - 54400 SHT 240	2634	Aviation disc of plastic, 166x3 mm Front Scales: 1)� =� 10 windows 1 - 10 Back Scales: 2)� =� 10 windows 11 - 20
Victor 'B' MK 2	2638	Aviation disc of plastic, 162x3 mm Front Scales: TOTAL� 1� 3� 4� 5� 6� TOTAL (less tank 10)� 7� 8� 11� 12 Back Scales: TOTAL� 1� 3� 4� 5� 6� TOTAL� 7� 8� 10� 11� 12
Vitrohm Vitrohmeter Standard Farbcode fur Widerstander	5366	Electrical disc of cardboard, 108x66x1 mm Front Scales: See Picture Back Scales: See Picture
Voedingswijzer Vis	5378	Food slide chart of cardboard, 75x121x0.6 mm Front Scales: See Picture, Back Scales: See Picture
Voightl�nder Depth of Field Computer	5501	Photography disc of plastic, 90x3 mm
Voigtl�nder Belichtungsschieber	5521	Photography slide chart of cardboard, 95x143x1.2 mm Front Scales: Various
VvS Bolt sizes	3434	Technical slide rule of cardboard, 178x48x1 mm Front Scales: Many scales
Wal Verstuivers	5251	By van der Wal, technical slide chart of cardboard, 209x78x1.6 mm Front Scales: See Picture, Back Scales: See Picture
Warner & Swasey production calculator	2893	Technical slide chart of plastic, 176x51x3 mm� (1946) Front Scales: A� =� B� C� D� =� E� F� =� G Back Scales: =� B� C� D� =
Warner Computer Model B - 1	2646	Aviation disc of plastic, 280x115�� 12.7 mm� (1966)
Warner plotter computer	2647	Aviation disc of plastic, 323x120 mm Front Scales: 1)� 2)� =� 3)� 4)� 5)
Washington Et Ultra Washington	2757	Concrete slide rule of metal, 180x280x190 mm� (1925) Front Scales: ql� =� P� =� L =� M� =� s� =� m� =� d� =� b� =� 1) Back Scales: h� F� w� a� D� f
Water pipe line slide rule	3885	Technical slide rule of plastic, 300x80x6.8 mm
Weber 1281 S	3917	Generic slide rule of all wood
Weber No. 5 Special	3847	Generic slide rule
Weems E 11	3086	Aviation disc of perspex, 109x2 mm Front Scales: 1)� 2)� =� 3)� + 3 windows Back Scales: 4)� 5)� =� 6)� 7)� + 3 windows
Westland Aircraft Ltd., Sioux A.H. MK. 1	2651	Aviation slide chart of plastic, 288x174x10.5 mm
WGP & Co DE MAHE Torpedo Assessor	2883	By W.G.P. & Co LTD, nautical disc of metal, 233x233x2 mm Front Scales: 1)� =� 2)� =� 3)� =� 4)� =� 5)� =� 6)� 7)� =� 8)
Whitehead Teco Calculator	3138	Log/tech disc of plastic, 159x1 mm Front Scales: 1)� A� =� 2)� B
Wichman see also Faber Castell and Nestler	3651	Slide rule
Wichmann 1327 1/2	2659	Generic slide rule of all wood, 275x32x8 mm Front Scales: K� A� =� B� C� =� D� L
Wichmann 466	2654	Generic slide rule of cardboard, 141x33x2 mm Front Scales: A� =� B� C� =� D
Willis Valve size & flow calculator	2660	Technical disc of cardboard, 178x2 mm Front Scales: 1)� 2)� 3)� 4)� 5)� =� 6)� 7)� 8)� 9)� 10) Back Scales: 11)� 12)� 13)� 14)� =� 15)� 16)
Willsonn Sonney Orifice Computer	2661	Technical disc of plastic, 193x1.4 mm� (1973) Front Scales: 1)� 2)� 3)� =� 4)� 5)� 6)� 7)
Willsonn Sonney Orifice Computer.	2662	Log/tech disc of plastic, 126x0.8 mm� (1973) Front Scales: 1)� 2)� 3)� =� 4)� 5)� 6)� 7)
Willsonn Volume & Velocity Computer	2663	Technical disc of plastic, 193x1 mm� (1976) Front Scales: 1)� 2)� 3)� =� 4)� 5)� 6)� 7)� 8)� 9)� 10)
Wilson & Gillespie 432 Dualface Comprehensive	0807	Electrical slide rule of wood/plastic, 350x44x7 mm Front Scales: LL� L� A� =� B� Reciprocal� C� =� D� Cu� LL Back Scales: Sine� Kw� =� H.P.� F� Tangent� =� Voltage Drop�� Dynamo Efficiency� Motor Efficiency
Wilson &Gillespie 465 Dualface	5656	Financial slide rule
Wind and Navigation Calculator MK. II no. 6B / 276	2664	Aviation disc of metal, 216x9 mm Front Scales: See picture Back Scales: See picture
Wind finding attachment MK 1B for 6B / 404	2665	Aviation disc of metal, 153x180x53 mm Front Scales: 1)� =� 2)� =� 3)� 4)
Windauswerteplan WP - 62	2074	Military instrument of metal, 420x420x5 mm
Winslow CP - 223B/UM Humidity Temperature Computer	3564	Log/tech disc of plastic, 255x2 mm
Wolde De, Euratom Brinck & Geochemical	0836	By Euratom Cetis, technical slide rule of plastic, 300x61x13 mm� (1971) Front Scales: 1)� 2)� =� 3)� 4)� =� 5)
Wolters Noordhoff 87 Rietz	2667	Generic slide rule of plastic, 236x31x4.8 mm Front Scales: K� A� =� B� CI� C� =� D� L Back Scales: 15cm� =� S� ST� T1� =
Wolters Noordhoff Grammaticus German Dutch	5317	Grammar slide chart of cardboard/plastic, 289x110x1.5 mm� (1996) Front Scales: See Picture, Back Scales: See Picture
Wolters Noordhoff Grammy German Dutch	5318	Grammar slide chart of cardboard/plastic, 289x110x1.5 mm� (1996) Front Scales: See Picture, Back Scales: See Picture
Wolters Noordhoff JE 650	2669	Generic slide rule of plastic, 324x42x4 mm Front Scales: A� DF� =� CF� CIF� CI� C� =� D� K Back Scales: L� T1� T2� =� S'� CI� C� =� D� S� ST
Wolthekker Bogenliniaal	2674	Technical slide rule of all wood, 368x40x10 mm� (1961) Front Scales: 1)� 2)� =� 3)� 4)� 5)� 6)� =� 7)� 8)
Worthington Valve English Units	2675	Log/tech slide chart of plastic, 215x55x3 mm� (1965) Front Scales: 3 windows: 1) 2) 3) Back Scales: 3 windows: 4) 5) 6)
Worthington Valve Metric Units	2754	Log/tech slide chart of plastic, 215x55x3 mm� (1950-1965) Front Scales: 3 windows: 1) 2) 3) Back Scales: 3 windows: 4) 5) 6)
Xenical Orlistat	5537	Medical disc of plastic, 96x1 mm
Zulaica Stilus	3894	Generic slide rule of metal

Full List :� � A � Z �

DESCRIPTION

Acu Math 900