Overview

Pickett
Keuffel & Esser
Circular
Dietzgen
Hemmi
Japan
Europe
Post
MiscUSA
British
Adopted


Sheet 1: Pickett

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?






18.04.06.04 04.09.30.01 Pickett & Eckel USAF Type A1 Aerial Photo Slide Rule L, A, DF [ CF, CIF, T, S, C ] D, DI, K
Ground Size, Ground Speed, [Image size, Cycling Time, Focal Length ] Altitude
Unique version of the Picket Type A-1 Aerial photo with alternate braces and cursor. Pefect $70
14.07.02.61 04.04.22.03 Pickett 80-T Basic Student Trig in plastic sleeve, with manual T, K, A [ B, CI, C ] D, L, S Cos First design of one piece injection molded narrow stock and slide, White. No markings $5
18.09.17.13 15.03.28.01 Pickett 120 Student Mannheim Leatherette Sleeve K, A [ B, T Cot, S Cos, CI, C ] D, L First design of one piece injection molded narrow stock and slide, White. No markings $5
18.09.17.12 09.10.27.02 Pickett 120 Trainer Black Braces, with Instructions, in Retail box. K, A [ B, T Cot, S Cos, CI, C ] D, L Assembled in multiple plastic pieces. Retail box is worn. $15
18.04.06.100 09.10.27.02 Pickett 120 Trainer Black Braces K, A [ B, T Cot, S Cos, CI, C ] D, L Assembled in multiple plastic pieces. Black sleeve $5
18.04.06.101 15.03.28.01 Pickett 120 Student Mannheim Leatherette Sleeve K, A [ B, T Cot, S Cos, CI, C ] D, L First design of one piece injection molded narrow stock and slide, White. No markings $5
18.09.17.12 09.10.27.02 Pickett No. 120 Trainer. Sleeve, manual and original retail box K, A [ B, T Cot, S Cos, CI, C ] D, L Note: This was Pickett's first attempt at a low cost all plastic slide rule. $5
17.12.17.18 12.06.24.15 Pickett Microline 140-ES Expanded Log Log Version 2
Black sleeve
LL01, K, A [ B, S Cos, ST, Sec T, T Cot, C ] D, DI, LL1
LL2, LL3, DF [ CF, CIF, L, CI, C] D, LL2, LL3
Made in USA - New expanded 25 scale set - All scales Black, Inverse scales italics. No Markings $15
14.07.03.41 12.06.24.15 Pickett Microline 140-ES Expanded Log Log Version 2
Black sleeve
LL01, K, A [ B, S Cos, ST, Sec T, T Cot, C ] D, DI, LL1
LL2, LL3, DF [ CF, CIF, L, CI, C] D, LL2, LL3
Made in USA - New expanded 25 scale set - All scales Black, Inverse scales italics. No Markings $15
12.04.24.16 12.06.24.15 Pickett Microline 140-ES Expanded Log Log Version 2
Black sleeve
LL01, K, A [ B, S Cos, ST, Sec T, T Cot, C ] D, DI, LL1
LL2, LL3, DF [ CF, CIF, L, CI, C] D, LL2, LL3
Made in USA - New expanded 25 scale set - All scales Black, Inverse scales italics. No Markings $15
19.05.04.10 12.06.24.15 Pickett Microline 140-ES Expanded Log Log Version 2
Black sleeve
LL01, K, A [ B, S Cos, ST, Sec T, T Cot, C ] D, DI, LL1
LL2, LL3, DF [ CF, CIF, L, CI, C] D, LL2, LL3
Made in USA - New expanded 25 scale set - All scales Black, Inverse scales italics. No Markings $15
17.12.17.18 14.07.02.58 Pickett Microline 140-T Expanded Log Log Version 1 Black sleeve with Manual LL0, LL00, A [ B, S Cos, ST, T Cot, C ] D, K
L, LL1, DF [ CF, CIF, CI, C] D, LL3, LL2
Made in USA - New expanded 25 scale set - All scales Black. No Markings $15
18.04.06.94 18.09.17.10 Pickett N-515-T Electronic CIE Logo Brown Leather Sleeve with belt loop (LG), (fx)2p, A [(Cr)B, S, T, (Lxor Cx)CI, Xlor Fr-C] D(XL), L, Ln
Reactance formula, Ohm's law, etc
For Cleveland Institute of Electronics, Modern Pickett Logo
Perfect, no Markings
$75
18.03.20.02 10.12.12.03 Pickett N-515-T 1969 Electronic CIE Logo Brown Leather Sleeve with belt loop (LG), (fx)2p, A [(Cr)B, S, T, (Lxor Cx)CI, Xlor Fr-C] D(XL), L, Ln
Reactance formula, Ohm's law, etc
For Cleveland Institute of Electronics, Round Black Pickett Logo
Very Good, no Markings
$70
17.09.15.03 10.12.12.03 Pickett N-515-T Electronic CIE Logo Tan Leather Sleeve (LG), (fx)2p, A [(Cr)B, S, T, (Lxor Cx)CI, Xlor Fr-C] D(XL), L, Ln
Reactance formula, Ohm's law, etc
For Cleveland Institute of Electronics, Round Black Logo, Curved Braces Modern Pickett Logo on sleeve, Very Good, no Markings $65






18.12.30.05 17.08.24.11 Pickett Model 4-ES Log Log Vector Hyperbolic Dual Base - 1958-62 Tan Leather Sleeve w/belt loop LL1+.00D/-.00D, LL2+.0D/-.0D, DF/m [ CF/m, TH, SH1, SH2, L, <CI, C ] D, LL3+.D/-.D, LL4+D./-D.
3√ #1, 3√ #2, 3√ #3, DF [ CF, T1, T2, ST, S Cos, <CI, C ] D, <DI, √ #1, √ #2
Aluminum Stock , Round Black Logo, Square Braces, extended nylon cursor bars, flat lens. Inverse scales noted with left arrow '<'. Name inside sleeve flap $50
18.04.06.85 04.08.04.01 Pickett N4-ES Vector Log Log Dual-Based Speed Rule 1958-1959 Tan Leather Sleeve LL1+.00D/-.00D, LL2+.0D/-.0D, DF/m [ CF/m, TH, SH1, SH2, L, <CI, C ] D, LL3+.D/-.D, LL4+D./-D.
3√ #1, 3√ #2, 3√ #3, DF [ CF, T1, T2, ST, S Cos, <CI, C ] D, <DI, √ #1, √ #2
Round Black Logo with artwork code. Inverse scales in RED Curved Braces, Convex lens, extended blocks No markings $50
14.07.03.49
12.08.05.02 Pickett N4-ES Vector Log Log Dual-Based Speed Rule 1958-1959 Tan Leather Sleeve w/ belt loop LL1+.00D/-.00D, LL2+.0D/-.0D, DF/m [ CF/m, TH, SH1, SH2, L, <CI, C ] D, LL3+.D/-.D, LL4+D./-D.
3√ #1, 3√ #2, 3√ #3, DF [ CF, T1, T2, ST, S Cos, <CI, C ] D, <DI, √ #1, √ #2
Round Black Logo with artwork code. Inverse scales in RED Curved Braces, Flat lens Name inside flap of sleeve. Otherwise perfect. $50
18.09.17.11 11.08.23.01 Pickett N3-ES - Power Log Exponential Brown Leather Sleeve √  #1, √  #2, K, A [B, ST, S/Cos, T1, T2, CI, C] D, DI, 3√  #1, 3√  # 2, 3√  #3
LL0+0.001/-0.001, LL1+0.01/-0.01, DF [ CF, CIF, Ln, L, CI, C ] D, LL2+0.1/-0.1, LL3+1.0/-1.0
Modern Logo with artwork code. Inverse scales in RED Curved Braces, Name on sleeve flap (M.D.Baer) $50






15.05.09.03
09.01.12.116 Pickett N803-ES - Log Log Speed Rule Dual Base 1960-75 NIB Suede Sleeve, Retail Box, Manual √ #1, √  #2, K, A [ B, S Cos, ST, T Cot, CI, C ] D, DI, DFM
LL0+0.001/-0.001, LL1+0.01/-0.01, DF [ CF, CIF, L, CI, C ] D, LL2+0.1/-0.1, LL3+1.0/-1.0
Modern logo, curved braces, grooved convex lens. Perfect. No sleeve. $40
13.07.03.14 12.06.24.50 Pickett N-531-ES Capitol Radio Engineering Institute - 1960 , Black leather sleeve L, Ln, A [ B, CI, C ] D, 2π, K
LL2, LL1 [ S Cos, ST, T Cot, C ] D, LL3
Made in USA by Pickett for Capitol Radio Engineering Institute CREI.Round black logo, curved braces. Slight oxidation on braces. Scales slightly faded. No markings. Sleeve has modern logo. $40
14.01.10.79 12.06.24.50 Pickett N-531-ES Capitol Radio Engineering Institute - 1960 , Brown leather sleeve L, Ln, A [ B, CI, C ] D, 2π, K
LL2, LL1 [ S Cos, ST, T Cot, C ] D, LL3
Made in USA by Pickett for Capitol Radio Engineering Institute CREI.Round black logo, curved braces. Scales slightly faded. No markings. Sleeve has modern logo. $40
18.04.06.93 12.06.24.50 Pickett N-531-ES Capitol Radio Engineering Institute - 1960 , Brown leather sleeve w/belt loop L, Ln, A [ B, CI, C ] D, 2π, K
LL2, LL1 [ S Cos, ST, T Cot, C ] D, LL3
Made in USA by Pickett for Capitol Radio Engineering Institute CREI.Round black logo, curved braces. Perfect. No markings. Sleeve has triangle logo $50
18.04.06.81 11.11.22.02 Pickett N-500-ES - Hi-Log Log Duplex - 1964 Black Leather Sleeve w/belt loop +LL1, -LL1, A [ B, T Cot, ST, S Cos, C ] D, DI, K
+LL2, -LL2, DF [ CF, CIF, L, CI, C ] D, +LL3, -LL3
Made in USA - radius braces, Modern logo New Old Stock, retail Box. No Manual. Slide rule is perfect, box is a bit worn. $35
15.05.09.04 11.11.22.02 Pickett N-500-ES - Hi-Log Log Duplex - 1964 , no sleeve +LL1, -LL1, A [ B, T Cot, ST, S Cos, C ] D, DI, K
+LL2, -LL2, DF [ CF, CIF, L, CI, C ] D, +LL3, -LL3
Made in USA - radius braces, Modern logo Slide rule is perfect. No markings $15
15.05.09.04 11.11.22.02 Pickett N-500-ES - Hi-Log Log Duplex c1970 , Black sleeve, Retail Box with “5 Moon Flights” +LL1, -LL1, A [ B, T Cot, ST, S Cos, C ] D, DI, K
+LL2, -LL2, DF [ CF, CIF, L, CI, C ] D, +LL3, -LL3
Made in USA - radius braces, Modern logo Slide rule is perfect. No markings on sleeve. Retail Box with “5 Moon Flights” label, a bit tattered pen squiggles on side. $50
18.09.17.09 12.06.18.05 Pickett & Eckel 1000 Ortho-Phase Duplex sn D301547 Felt sleeve A [ B, T Cot , ST, S Cos] D, K
DF [ CF, CIF, CI, C ] D, L
Magnesium stock, triangle logo, rounded stamped metal braces, machined cursor blocks. Note the CI scale with the numbers circled $40
13.00.00.28 13.00.00.27 Pickett 1010 Trig Duplex, 1953 Magnesium, Black leatherette Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L
Made in USA – V1 scales set. RED inverse scales. Plastic bar cursor, Round Black logo, square braces, Added DI scale. Scales faded. $15
17.09.15.02 10.05.10.01 Pickett N1010-ES Trig Duplex 1964, Tan Suede Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI
Made in USA – V3 scale set. Plastic bar cursor, Curved braces, Round Black logo, no markings. Polybag $35
18.04.06.92 10.05.10.01 Pickett N1010-ES Trig Duplex 1964, Tan Suede Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI
Made in USA – V3 scale set. Plastic bar cursor, Square braces, Round Black logo, no markings $30
17.01.26.01 10.05.10.01 Pickett N1010-ES Trig Duplex Black Leather Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI
Made in USA – V3 scale set. Plastic bar cursor, Square braces, Round Black logo, Name inside flap $30
17.08.24.13 10.05.10.01 Pickett N1010-ES Trig Duplex Black Leatherette Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI
Made in USA – V3 scale set. Plastic bar cursor, Square braces, Round Black logo, $20
14.01.10.54 11.11.21.07 Pickett N1010-ES Trig Duplex c1964 Brown Leather Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L
Made in USA – V1 scales set. RED inverse scales. Plastic bar cursor, Round Black logo, square braces, Added DI scale. No markings $30
13.00.00.01 11.11.21.07 Pickett N1010-ES Trig Duplex c1964 Black Leatherette Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L
Made in USA – V1 scales set. RED inverse scales. Plastic bar cursor, Round Black logo, square braces, Added DI scale. No markings $20
19.05.04.08 12.06.24.18 Pickett N1010-ES Trig Duplex 1964, Black Sleeve w/ICS Logo K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI
Made in USA – New Old Stock. V3 scale set. Plastic bar cursor, radius braces, Modern logo, curved braces. $30
14.07.02.67 12.06.24.47 Pickett N1010-T Trig Duplex c1964 Brown Leather Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L
Made in USA – V1 scales set. RED inverse scales. Plastic bar cursor, Round Black logo, square braces, Added DI scale. Name inside flap $30
18.04.06.70 16.06.02.02 Pickett N1010-T Trig Duplex 1964 NIB, Black Sleeve w/belt loop K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI
Made in USA – New Old Stock. V3 scale set. Plastic bar cursor, radius braces, Round Black logo, curved braces, retail Box. Manual. Slide rule, original contents, box is good $40
18.04.06.66 18.04.06.63 Pickett N1010SL-ES Super Power Trig, black sleeve, Retail box. √ #1, √  #2, A [ B, ST, T Cot, S Cos, C ] D, DI, K
L, DF [ CF, CIF, CI, C ] D, DI, Ln
Wide Plastic Cursor, Curved Braces, Modern Logo, Red and Black Text Original box is tatty. Sleeve and slide rule perfect. No manual $40
18.04.06.69 18.04.06.63 Pickett N1010SL-ES Super Power Trig, black sleeve, Retail box. √ #1, √  #2, A [ B, ST, T Cot, S Cos, C ] D, DI, K
L, DF [ CF, CIF, CI, C ] D, DI, Ln
Wide Plastic Cursor, Curved Braces, Modern Logo, Red and Black Text. Original box is stained. Sleeve and slide rule perfect. No manual $40
18.04.06.66 18.04.06.64 Pickett N1010SL-T Super Power Trig, NIB, black sleeve, Retail box. √ #1, √  #2, A [ B, ST, T Cot, S Cos, C ] D, DI, K
L, DF [ CF, CIF, CI, C ] D, DI, Ln
Wide Plastic Cursor, Curved Braces, Modern Logo, Red and Black Text Original box. Sleeve and slide rule perfect. No manual $40
14.01.10.55 09.01.12.94 Pickett 800-ES - Log Log Synchro-Scale – 1954 Early Brown Leather sleeve LL1+0.01/-0.01, A [ B, ST, T Cot, S Cos, C ] D, DI, K
LL2+0.1/-0.1, DF [ CF, CIF, L, CI, C ] D, LL3+1.0/-1.0
Made in USA - Flat stock braces, metal bars and flat cursor lens. slotted slide. All black text. $40
15.02.27.02 15.02.27.02 Pickett 800-T - Log Log Synchro-Scale – 1957 Brown Leather sleeve w/belt loop LL1+0.01/-0.01, A [ B, ST, T Cot, S Cos, C ] D, DI, K
LL2+0.1/-0.1, DF [ CF, CIF, L, CI, C ] D, LL3+1.0/-1.0
Made in USA – Round Black Logo, Square braces, extended cursor bars, and flat cursor lens. slotted slide. Red and black text. Sleeve has names on flap. Cloth insert. Excellent $40
17.08.24.19 17.08.24.18 Pickett N800-ES Log Log Speed Rule 1964 NIB, Black Sleeve with belt loop, Manual, etc √ #1, √  #2, K, A [ B, S Cos, ST, T Cot, CI, C ] D, DI, DFM
LL0+0.001/-0.001, LL1+0.01/-0.01, DF [ CF, CIF, L, CI, C ] D, LL2+0.1/-0.1, LL3+1.0/-1.0
Made in USA, New Old Stock. Complete with manual and documents. Modern logo, Curved braces, convex lens. Retail Box. Perfect $60
17.12.17.16 09.10.23.01 Pickett N902-ES Simplex Trig  Version 2. Retail Box. Black Sleeve, manual K, A [ B, T Cot, S Cos, CI, C ] D, L
Equivalents and instructions
Made in USA - Aluminum Stock - With CI scale, Radius Braces, Modern Logo,. Curved braces Markings inside sleeve flap Retail box with manual. Both faded. $50
17.12.17.19 14.09.17.02 Pickett N902-ES Simplex Trig  Version 2. Leatherette sleeve K, A [ B, T Cot, S Cos, CI, C ] D, L
Equivalents and instructions
Made in USA – With CI scale, Radius Braces, Round Black Logo,. Curved braces scales slightly faded. $10
18.04.06.98 10.12.12.05 Pickett N902-T Simplex Trig  Leatherette sleeve K, A [ B, T Cot, S Cos, CI, C ] D, L
Equivalents and instructions
Made in USA – Radius Braces, Modern Logo,. Curved braces scales slightly faded. $10
14.07.03.09 14.07.02.27 Pickett 903-T Trig Conversion c1953 Cloth sleeve. Early K, A, DF [ CF, T Cot, S Cos, CI, C ] D, L
Equivalents and instructions Version 1
Made in USA. Grooved stock, Rounded braces, Triangle Logo, flat lens, Machine metal cursor blocks. Stock slightly yellowed, still nice. $30






18.04.06.76 15.07.07.02 Pickett Model 2-T - Deci Log Log Duplex Retail Box, Rubber Sleeve 3√ #1, 3√ #2, 3√ #3, L [ T, T, ST, S Cos, CI, C ] D, √ #1, √ #2
1/N1, 1/N2, 1/N3, 1/N4 [ Digits, CF, CI, C] Co D, N1, N2, N3, N4
Pristine Magnesium stock, Retail box and Rubber sleeve. Hard to find in this condition. Sn015655 $100
16.02.07.01 13.10.09.05 P&E (Pickett & Eckel) Model 3 Deci Log Log Vector Version 1, sn CO28822, Rubber sleeve 3√ #1, 3√ #2, 3√ #3, DF [ CF, T Cot, ST, S Cos, CI, C ] D, DI,√ #1, √ #2
1/N1, 1/N2, 1/N3, 1/N4, DF [ CF, Digits, CI, C] Co D, N1, N2, N3, N4
Made in USA by R.C. Pickett & A.F. Eckel - 30 scales - ©1947 Early Magnesium Stock with serial number on cursor blocks. No Logo at its introduction. Gray Rubber sleeve. Excellent. Name taped to sleeve $80
14.07.03.10 13.10.09.05 P&E (Pickett & Eckel) Model 3 Deci Log Log Vector Version 1, sn CO29234, Rubber sleeve 3√ #1, 3√ #2, 3√ #3, DF [ CF, T Cot, ST, S Cos, CI, C ] D, DI,√ #1, √ #2
1/N1, 1/N2, 1/N3, 1/N4, DF [ CF, Digits, CI, C] Co D, N1, N2, N3, N4
Made in USA by R.C. Pickett & A.F. Eckel - 30 scales - ©1947 Early Magnesium Stock with serial number on cursor blocks. No Logo at its introduction. Gray Rubber sleeve. Excellent. $80
14.07.03.51 17.08.24.18 Pickett N800-ES Log Log Speed Rule 1964 Black Leather Sleeve √ #1, √  #2, K, A [ B, S Cos, ST, T Cot, CI, C ] D, DI, DFM
LL0+0.001/-0.001, LL1+0.01/-0.01, DF [ CF, CIF, L, CI, C ] D, LL2+0.1/-0.1, LL3+1.0/-1.0
Made in USA, Modern logo, Curved braces, convex lens. Perfect. No markings $30
14.07.02.70 17.08.24.18 Pickett N800-ES Log Log Speed Rule 1964 Black Leather Sleeve √ #1, √  #2, K, A [ B, S Cos, ST, T Cot, CI, C ] D, DI, DFM
LL0+0.001/-0.001, LL1+0.01/-0.01, DF [ CF, CIF, L, CI, C ] D, LL2+0.1/-0.1, LL3+1.0/-1.0
Made in USA, Modern logo, Curved braces, convex lens. Markings on sleeve flap $25

Sheet 2: Keuffel & Esser

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?






18.09.17.23 14.09.21.04 American Blueprint Military Slide Rule Made by K&E (government contract) Opposite Angle Deg, Mils [Apex Angle Mils, Deg, CI,C] D,A
[Tan, Sin-Tan, Tan ]
Good shape. No cursor. Black sleeve with “U.S.” imprint. Note: Cursor will be restored with 3D printed parts $30
18.04.06.28 13.06.25.08 K&E N4041 Mannheim Slide Rule, sn640251 Black Box sleeve w.text. A [ B,  C ] D
[ S, L, T ]
Made in U.S.A. - New Improved Cursor. Sleeve flap detached. Slide rule is perfect/ 20
18.04.06.40 15.06.03.01 K&E 4053-3 Polyphase Lot 315 c1915 Brown Leather Sleeve. Original Box 10in // A [ B, CI, C ] D || K
[ S, L, T ]
Equivalents Label
Side K Scale, Scale labels on right end of stock. All glass cursor, name on sleeve. No defects on slide rule. Excellent. $40
18.04.06.39 14.07.02.20 K&E 4053-5 20 inch Polyphase sn687538 (1925-1932) Leather sleeve, 20in // A [ B, CI, C ] D, K || 50cm
[ S, L, T ]
Equivalents Label
New Improved Cursor. Short section on end of inch and cm scales missing. Sleeve intact with no markings. Slight shipping premium needed 80
14.07.02.22 09.01.12.49 K&E 4051-5 20 inch Lot#179 (c1915) 20in // A [ B, C ] D || 52cm
[ S, L, T ]
Equivalents Label
New Improved Cursor. (S/B all glass cursor with metal blocks). Some discoloration. No sleeve. Slight shipping premium needed 40
16.02.29.05 13.06.25.07 K&E 4053-3 Polyphase, New Design c.1956 sn487639, Green Leather Sleeve 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents
New Design. No Markings. Top stock yellowed. 30
18.12.30.04 12.02.19.03 K&E 68-1617 Polyphase S/N 750904 c1962-1975 in retail box Green Leather sleeve. 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents
New design. Box has 68-1622 label. Name label on sleeve. With some document 40
18.04.06.05 18.04.06.41 K&E 4139 Cooke Radio Rule – sn496740 L, DF [ CF, CIF, CI, C ] D, 2π
LC, A [ B, T Cot, ST, S Cos ] D, DI
Designed by Nelson M. Cooke, Produced from 1942 through 1967 by K&E, No sleeve. Slide rule perfect, no markings 60
18.04.06.12 04.11.03.01 K&E 4160 Chemists Rule S/N 284743 SOUGHT [ GIVEN, CI] D (Oxide Elem.)
SOUGHT [ GIVEN, C] D< (Acid, Base, Salt)
All glass cursor, Sleeve is poor, open on one end, more yellowed than gallery model. otherwise perfect slide rule 200
18.04.06.19 14.07.02.10 K&E N-4100 Stadia Slide Rule sn623589 c1936 in box, Tan leather sleeve R [ H, HC, V ] A
[ C, B ]
For surveyors. Azimuth and Elevations. Perfect. sleeve and box, no markings 200
15.09.05.01 15.05.11.03 K&E 4181-3 Log Log Duplex Decitrig s/n 354695 “Ivorite” Tan Leather Sleeve LL01, L, K, A [ B, T Cot, SRT, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Made in U.S.A. - all plastic (trade name 'Ivorite') stock, plastic cursor lens. Name i=on inside of flap. Great condition. 30
18.04.06.43 14.07.02.37 K&E 4058C Beginner's Slide Rule, Black Hard Box sleeve w.text. A [ B,  C ] D
[ S, L, T ]
Made in U.S.A. - All glass cursor with wood blocks. Perfect 15
15.06.17.01 13.06.25.03 K&E 4058W Beginner's Slide Rule, Black Leatherette sleeve w.text. A [ B,  C ] D
[ S, L, T ]
Made in U.S.A. - Metal framed cursor . Some green tarnish on cursor, back has red lettering 10
13.00.00.23 13.06.25.03 K&E 4058W Beginner's Slide Rule, Black Leatherette sleeve w.text. A [ B,  C ] D
[ S, L, T ]
Made in U.S.A. - Bright Metal framed cursor . Painted scales. back has name on it, but it is not obvious 10
13.00.00.22 09.01.12.50 K&E 4058W Beginner's Slide Rule, Black Leatherette sleeve w.text. A [ B,  C ] D
[ S, L, T ]
Made in U.S.A. - Black Metal framed cursor . Painted scales. Name of original owner on side 10
14.09.07.06 09.01.12.50 K&E 4058W Beginner's Slide Rule, Black Leatherette sleeve w.text. A [ B,  C ] D
[ S, L, T ]
Made in U.S.A. - Black Metal framed cursor . Painted scales. No markings 15
13.00.00.20 12.05.02.03 K&E N4058W Beginner's Slide Rule, c1954 Grey Leatherette sleeve w.text. A [ B,  CI, C ] D, K
[ S, L, T ]
Made in U.S.A. - One piece clear plastic cursor . Painted scales. No markings 15
14.01.10.30 12.05.02.03 K&E N4058W Beginner's Slide Rule, c1954 Grey Leatherette sleeve w.text. A [ B,  CI, C ] D, K
[ S, L, T ]
Made in U.S.A. - One piece clear plastic cursor . Painted scales. No markings 15
13.00.00.33 12.05.02.03 K&E N4058W Beginner's Slide Rule, c1954 Black Leatherette sleeve w.text. A [ B,  CI, C ] D, K
[ S, L, T ]
Made in U.S.A. - One piece clear plastic cursor . Painted scales. No markings 15
13.00.00.20 12.05.02.03 K&E N4058W Beginner's Slide Rule, c1954 Grey Leatherette sleeve w.text. A [ B,  CI, C ] D, K
[ S, L, T ]
Made in U.S.A. - One piece clear plastic cursor . Painted scales. No markings 15
14.07.03.21 13.06.25.03 K&E 4058C Beginner's Slide Rule, A [ B,  C ] D
[ S, L, T ]
Made in U.S.A. - All glass cursor, wood bars . Scales silkscreened on wood. No markings. Perfect. No sleeve 20
18.09.17.06 17.12.17.06 K&E 68-1130 Deci-Lon 5 V2. sn019257. In Box. Tan leather sleeve w/belt clip Ln-3, Ln-2, Ln-1, Ln-0, A [ B, T Cot, SRT, S Cos, C ] D, DI, K
Sq1, Sq2, DF [ CF, CIF, L, CI, C ] D, Ln0, Ln1, Ln2, Ln3
Perfect. Box has smudges 150
18.04.06.25 17.08.24.06 K&E 68-1100 Deci-Lon 10 (Version 1) . sn236836. Tan leather sleeve w/belt loop Ln-3, Ln-2, Ln-1, Ln-0, A [ B, T Cot, SRT, S Cos, C ] D, DI, K
Sq1, Sq2, DF [ CF, CIF, L, CI, C ] D, Ln0, Ln1, Ln2, Ln3
Version 1. No model number. No ridges on slide. Name inside flap. 85
17.12.17.05 17.08.24.06 K&E 68-1100 Deci-Lon 10 (Version 1) . sn238737. Tan leather sleeve w/belt loop Ln-3, Ln-2, Ln-1, Ln-0, A [ B, T Cot, SRT, S Cos, C ] D, DI, K
Sq1, Sq2, DF [ CF, CIF, L, CI, C ] D, Ln0, Ln1, Ln2, Ln3
Version 1. No model number. No ridges on slide. Name inside flap. 90






19.05.04.01 13.09.03.01 K&E 68-1100 Deci-Lon 10 (Version 2) . sn064283. Tan leather sleeve Ln-3, Ln-2, Ln-1, Ln-0, A [ B, T Cot, SRT, S Cos, C ] D, DI, K
Sq1, Sq2, DF [ CF, CIF, L, CI, C ] D, Ln0, Ln1, Ln2, Ln3
Version 2. With model number. Red and black ridges on slide. No Name markings 70
18.09.17.07 18.04.06.42 K&E 4070-3 Polyphase Trig duplex sn45188 Green leather sleeve Standard trig scales (6,12 divisions/degree)
K, A [ B, T Cot, ST, S Cos] D, DI
DF [ CF, CIF, CI, C ] D, L
Laminated mahogany edges. Scales yellowed. Slight tarnish on braces/ cursor intact. Sleeve intact, number inside sleeve flap 25
18.09.17.05 15.07.07.01 K&E 4081-3 Log Log Duplex Decitrig sn776175 (1939) in brown leather sleeve. LL0, LL00, K, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
New Improved Cursor. No KERCS. Sleeve intact. Sleeve has original owners nickname “Soup” on outside 30
18.09.17.05 15.07.07.01 K&E 4081-3 Log Log Duplex Decitrig sn774036 (1939) in brown leather sleeve. LL0, LL00, K, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
New Improved Cursor. No KERCS. Sleeve intact. Sleeve has “Penn State” on outside 30
18.04.06.23 15.07.07.01 K&E 4081-3 Log Log Duplex Decitrig sn466804 (1954) Black Leather Sleeve LL01, L, K, A [ B, T Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Updated scale set. New Improved Cursor. Crack in one cursor block. Sleeve intact. Name on Sleeve 20
15.09.05.01 15.07.07.01 K&E 4081-3 Log Log Duplex Decitrig sn530836 (1954) Brown Leather Sleeve LL01, L, K, A [ B, T Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Updated scale set. New Improved Cursor. Sleeve intact. Name on Sleeve 25






18.04.06.17 09.10.27.01 K&E N4083-3 Log Log Duplex Vector S/N 739064 1948 Black Leather Sleeve w/belt loop in box/ L, LL01, LL1, A [ B, T Cot, ST, S Cos ] D, Th, Sh2, Sh1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
New Improved Cursor. Notice Scale set. No KERCS. Sleeve intact. No markings 40
18.04.06.26 10.03.01.15 Not original cursor K&E 4080-3 Log Log Duplex Trig sn885524 c1939 w/Leather sleeve. L, LL1, DF, [ CF, CIF, CI, C ] D, LL3, LL2
LL0, LL00, A [ B, T, ST, S ] D, DI, K
Non-K&E Plastic Cursor. (SIC) Excellent brown leather sleeve, name on sleeve. 20
18.04.06.60 12.05.04.01 K&E 68-1892 K12 Prep Green sleeve w/ manual K, A [ B, S, CI, T, C ] D, L All plastic design, new model numbers. Green and transparent sleeve with manual 15
14.07.03.27 12.05.04.01 K&E 68-1892 K12 Prep Green sleeve K, A [ B, S, CI, T, C ] D, L All plastic design, new model numbers. Green and transparent sleeve (soiled, partly torn) 10
14.01.10.50 12.05.04.01 K&E 68-1892 K12 Prep Green sleeve w/ manual K, A [ B, S, CI, T, C ] D, L All plastic design, new model numbers. Green and transparent sleeve (side partly torn) with manual. 15
13.07.03.25 12.05.04.01 K&E 68-1892 K12 Prep Green sleeve w/ manual K, A [ B, S, CI, T, C ] D, L All plastic design, new model numbers. Green and transparent sleeve (soiled), with manual 15
14.07.03.26 12.05.04.01 K&E 68-1892 K12 Prep Green sleeve w/ manual K, A [ B, S, CI, T, C ] D, L All plastic design, new model numbers. Green and transparent sleeve (soiled, partly torn), with manual 15






18.09.17.17 11.11.11.03 K&E 4181-1 Pocket Log Log Duplex Decitrig sn010989 LL01, L, K, A [ B, T Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Plastic stock, metal braces. RED Inverse scales. . No sleeve 20
18.04.06.111 11.11.11.03 K&E 4181-1 Pocket Log Log Duplex Decitrig sn013418. With leather sleeve LL01, L, K, A [ B, T Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Plastic stock, metal braces. Black Inverse scales. Leather sleeve, has name inside flap. name etched on cursor bar (Van) 20
14.10.11.04 15.05.09.08 K&E N9081-3 Doric Log Log Duplex Decitrig, sn34284 Black leatherette sleeve LL01, L, K, A [ B, T Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Plastic stock, metal braces. Inverse scales in Italics. No sleeve. Scale ink is slightly faded. 20
18.04.06.29 13.07.03.13 K&E 4088-3 Polyphase Duplex sn253168 K, A [ B, S, T, CI ] D, L
DF [ CF, CIF, C ] D
New Improved Cursor. Early Patent dates on stock. (no issued patent number). Name on sleeve flap. 30
18.04.06.23 18.07.26.02 K&E 4092-3 Log Log Duplex . Sn342019 Leather Sleeve LL0, A [ B, S, T, C ] LL3, LL2, LL1
K, DF [ CF, CIF, CI, C ] D, L
New Improved Cursor. Early Patent dates on stock. (no issued patent number). Name on sleeve. 30
18.04.06.16 14.07.02.39 K&E 4093-3 Vector Log Log Duplex sn 490812 c1936 Early K&E logo L, LL0, DF [ CF, B, CI, C ] D, LL3, LL2
Sh1, Sh2, Th [ SI1 (5.74°-0.575°), (84.28°-89.425°), SI2 (90°-5.74°), (455.72°-84.28°), TI (45°-84.28°)TI (45°-5.72°)] D, S (5.72°-90°), T (5.72°-45°)
perfect Hyperbolic slide rule. Sleeve intact. Name stamped on inside of flap. Has New Improved Cursor 50

Sheet 3: Circular

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?






12.09.04.02 18.08.06.01 Fowler's Universal Calculator Conversion Yards to Metres, C CI Logs 100-10 (in 3 circles), sin(6°-70°), sin(0°-5°), tan  Pocket watch slide rule, pristine, with excellent leather case $300
18.04.06.102 08.04.10.01 Dietzgen 1997M (Gilson Midget) Binary 4 Inch Dia, V2 C, CI, A, K, Log, LL1, LL2, LL3, LL4, Binary, Fraction, Drill, Thread, Millimeter
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions
4 inch diameter, two sided binary slide rule, with 3 cursor arms. Copyrighted. 2nd version. Clean hub. No Dietzgen Logo $30
19.02.21.05 17.07.27.02 Gilson Binary 8 Inch Dia, C, CI, A, K, Log, LL1, LL2, LL3, LL4, Binary, Fraction, Drill, Thread, Millimeter
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions
8 inch diameter, two sided binary slide rule, with 3 cursor arms. Copyright 1936/1940. Clean with slight corrosion on tension hub $50
17.08.24.24 17.07.27.02 Gilson Binary 8 Inch Dia, C, CI, A, K, Log, LL1, LL2, LL3, LL4, Binary, Fraction, Drill, Thread, Millimeter
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions
8 inch diameter, two sided binary slide rule, with 3 cursor arms. Copyright 1936/1940. Clean with slight corrosion on tension hub. Tan sleeve with missing stitches $50
19.02.21.05 17.07.27.02 Gilson Binary 8 Inch Dia, C, CI, A, K, Log, LL1, LL2, LL3, LL4, Binary, Fraction, Drill, Thread, Millimeter
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions
8 inch diameter, two sided binary slide rule, with 3 cursor arms. Copyright 1936/1940. Clean with slight corrosion on tension hub. Tan sleeve with missing stitches $50
17.06.14.02 17.06.14.01 Bruning 68-471 (Gilson Binary( 8 Inch Dia, V2 Green Background C, CI, A, K, Log, LL1, LL2, LL3, LL4, Binary, Fraction, Drill, Thread, Millimeter
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions
8 inch diameter, two sided binary slide rule, with 3 cursor arms. Copyrighted. Green sleeve. Excellent. No Bruning logo. $70
18.04.06.104 14.07.02.02 Concise 28
Takeda Logo
D ( C, CI, A, K)
Conversions
Pocket size circular slide rule. Black sleeve with Simon Engineerin Promo. Unopened. Excellent $20
19.04.01.03 09.10.21.11 Concise 28
Motorola Promo
D ( C, CI, A, K)
Conversions
Pocket size circular slide rule. Black sleeve with Motorola logo. Unopened. Excellent $25
17.08.28.09 14.01.10.07 Fullerton 1450 Acudial V2 (Concise 28N)
D ( C, CI, A, K)
Conversions
Pocket size circular slide rule. Yellow sleeve with Fullerton logo. With Manual. Excellent $30
19.02.21.06 18.01.04.01 Concise 600-ST Sama&Etani Science Tables 4in || D ( C, CI, L, A, S, T, K) || 10cm
Periodic Table of the Elements, Temperature conversion Chart
Insert: Conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc
Pocket size circular slide rule with lots of helpful data. black sleeve says “physics is phun” . With manual $30
13.04.01.02 18.01.04.01 Concise 600-ST Sama&Etani Science Tables 4in || D ( C, CI, L, A, S, T, K) || 10cm
Periodic Table of the Elements, Temperature conversion Chart
Insert: Conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc
Pocket size circular slide rule with lots of helpful data. Black Sleeve. With manual. Cursor has tip reinforced transparent tape. $15
19.02.21.06 14.01.10.11 Concise 600 Sama&Etani Science Tables - Advertising: SIP Engineering Corp 4in || D ( C, CI, L, A, S, T, K) || 10cm
Periodic Table of the Elements, Temperature conversion Chart
Insert: Conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc
Pocket size circular slide rule with lots of helpful data. Black Sleeve With manual. Promo text and manual partly worn $25
19.04.01.01 14.01.10.11 Concise 600 Sama&Etani Science Tables - Advertising: Research-Cottrell 4in || D ( C, CI, L, A, S, T, K) || 10cm
Periodic Table of the Elements, Temperature conversion Chart
Insert: Conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc
Pocket size circular slide rule with lots of helpful data. White Sleeve With manual. Excellent $30
11.11.11.09 09.11.16.01 Concise EE-112 (1966) Sama&Etani Electronic Reference Tables - Advertising: Brown & Root Engineers 4in || D ( C, CI, L, A, S, T, K) || 10cm
Reactance Nomograph
Insert: Conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc., Resistor Color Codes, Copper Resistance
Unused Pocket size circular slide rule with conversion tables for Electrical Engineers. White Sleeve With manual. Excellent. $35
13.08.27.03 13.08.27.03 Concise CTCS-552 (1966) Sama&Etani Reference Tables – Advertising: Nupro Nuclear Products 4in || D ( C, CI, L, A, S, T, K) || 10cm
Table of the Elements
Insert: Conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc
Unused Pocket size circular slide rule with conversion tables for Valve Engineers and others. White Sleeve With manual. Bottom of sandwich has crack. $30
16.07.06.02 16.07.06.01 Add-A-Mite Pocket Calculator (Circular Adding Machine) 0-100 (10s, Hundreds) Used for adding money. All Metal $30

Sheet 4: Dietzgen

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
17.05.22.07 13.10.25.01 Dietzgen 1760P Mannheim c1920 A [ B, C ] D
[ S, L, T ]
Early frameless glass cursor. Glass cracked, glued with glass adhesive. Finctional. Black Cardboard box sleeve. 20
18.09.17.29 12.06.24.29 Dietzgen 1744 Multiplex Decimal trig sn002922 K, A [ B, T Cot, ST, S Cos ] D, DI
DF [ CF, CIF, CI, C ] D, L
Perfect slide rule. No sleeve 25
13.00.00.45 12.06.24.25 Dietzgen 1738 Style M Improved Decimal Trig Log Log 1954 LL01, K, A [ B, T<45 Cot, T>45 Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2
Magnesium stock. Plastic cursor block. Edges of paint chipped. Functional. Leather sleeve has partial tears in flap, but intact 20
18.04.06.107 12.06.24.25 Dietzgen 1738 Style M Improved Decimal Trig Log Log 1954 LL01, K, A [ B, T<45 Cot, T>45 Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2
Magnesium stock. Plastic cursor block. excellent. Leather sleeve. Retail box worn with tears. 40






15.06.22.03 12.05.06.02 Dietzgen 1757 Primatrig L, K, A [ B, CI, C ] D, T Cot, ST, S Cos
Trig identities, fractional Conversions, Equivalents
All plastic duplex style. No blemishes. No sleeve. 15
14.12.09.01 13.06.28.02 Dietzgen 1767 National Maniphase c1966 K, S, A [ B, CI, C ] D, T, L All plastic duplex style. Back is blank. Has Leatherette sleeve , manual and original box with no end flaps 15
19.04.01.06 13.06.28.02 Dietzgen 1767 National Maniphase c1966 K, S, A [ B, CI, C ] D, T, L All plastic duplex style. Back is blank. Tan Sleeve 10
14.12.08.01 13.06.28.02 Dietzgen 1767 National Maniphase c1966 K, S, A [ B, CI, C ] D, T, L All plastic duplex style. Back is blank. Tan Sleeve 10
13.00.00.13 13.06.28.02 Dietzgen 1767 National Maniphase c1966 K, S, A [ B, CI, C ] D, T, L All plastic duplex style. Back is blank. No sleeve 5
13.00.00.14 13.06.28.02 Dietzgen 1767 National Maniphase c1966 K, S, A [ B, CI, C ] D, T, L All plastic duplex style. Back is blank. No sleeve 5
13.00.00.12 13.06.28.02 Dietzgen 1767 National Maniphase c1966 K, S, A [ B, CI, C ] D, T, L All plastic duplex style. Back is blank. No sleeve 5
18.04.06.108 14.10.15.01 Dietzgen 1734 Microglide Decimal Trig type Log Log sn045920 LL01, K, A [ B, T<45 Cot, T>45 Cot, ST, S Cos  ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2
Perfect slide rule. Black sleeve intact. Retail box intact but soiled. Instructions on care. 40






18.04.06.105 14.10.15.01 Dietzgen 1734 Microglide Decimal Trig type Log Log sn002001 LL01, K, A [ B, T<45 Cot, T>45 Cot, ST, S Cos  ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2
Perfect slide rule in Original retail presentation box. Brown leather sleeve. With insert, Manual, care guide 100
18.04.06.110 14.07.02.84 Dietzgen 1776 Redi-Rule Pocket, in Retail Box. Sleeve w/ belt clip K, A [ B, T, ST, S ] D, DI
DF [ CF, CIF, CI, C ] D, L
Perfect slide rule in Original retail box. Brown leather sleeve. 40
16.05.18.01 12.01.10.02 Dietzgen 1732 Maniphase Multiplex Decimal Trig Type Log Log sn510139 LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
Early all-glass cursor, 20 scales. Cursor restored. Hard cardboard sleeve. Flap intact. 30
14.07.02.82 17.10.10.02 Dietzgen 1771 Pocket Redirule, Brown sleeve 5in // A [ B, CI, C ] D, K \\ 12.5cm
[ S, L, T ]
All plastic construction. Brown leather sleeve. No markings 20

Sheet 5: Hemmi

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?






15.05.12.15 15.05.12.10 Hemmi P280 Log Log dcYA Jan 1974 T Cot, K, A [ B, CI, C ] D, L, S Cos, ST
[ LL1, LL2, LL3 ]
All plastic, Hemmi's modern cost reduced slide rule design. Blue white Hard case 30
15.05.12.09 14.02.10.03 Hemmi P281 Mannheim dcUK Nov 1970 T Cot, K, A [ B, CI, C ] D, L, S Cos, ST All plastic, Hemmi's modern cost reduced slide rule design. No sleeve 20
15.05.12.14 14.02.10.03 Hemmi P281 Mannheim dcVB Feb 1971 T Cot, K, A [ B, CI, C ] D, L, S Cos, ST All plastic, Hemmi's modern cost reduced slide rule design. Blue Grey Hard plastic case. 25
17.05.02.44 14.02.10.03 Hemmi P281 Mannheim dcUA Jan 1970 T Cot, K, A [ B, CI, C ] D, L, S Cos, ST All plastic, Hemmi's modern cost reduced slide rule design. Blue Grey Hard plastic case. 25
18.04.06.34 14.02.10.03 Hemmi P281 Mannheim dcUL Dec 1970 T Cot, K, A [ B, CI, C ] D, L, S Cos, ST All plastic, Hemmi's modern cost reduced slide rule design. Blue Grey Hard plastic case. 25
18.04.06.45 12.04.23.02 Hemmi No.153 (Early) for electrical engineer dcHS L, K, A [ B, CI, C ] D, T, Gθ
θ, Rθ, P(sin) [ Q(cos), Q', C ] LL3, LL2, LL1
No model number. Scales use Times Roman Font. Bamboo duplex. Plating on cursor frame starting to blister. No sleeve 50






17.10.10.01 12.06.23.01 Hemmi 257 for Chemical Engineer dcPK Nov 65 L, A, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Ch(A~M), Ch(N~Z), M1 Xw [ M2 X, Temp(F,C,K)°, F(t) ] Kg/cm2, P mmHg Atm, P inHgVac Lb/in2 Gage , tω °C
Bamboo duplex. Excellent. Hard cardboard sleeve. With manual 100
17.05.02.47 09.01.12.37 Hughes Owens (Hemmi 40K) 1768C dcGF A [ B, CI, C ] D, K
[ S, L, T ]
Bamboo Simplex. Hard Cardboard sleeve. 20
17.05.02.19 15.05.09.07 Hemmi 40K dcHS A [ B, CI, C ] D, K
[ S, L, T ]
Bamboo Simplex. Plain Hard Cardboard sleeve. 10
17.05.02.19 14.01.03.07 Hemmi P23 8” dcSE A [ B, CI, C ] D, K All plastic Duplex style. Hard Cardboard sleeve. Name on sleeve (Janice Lingle) 15

Sheet 6: Japan

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?












18.04.06.52 14.01.10.43 Scientific Instruments S.I.C. 1520 sn 30591 K, A [ B, S Cos, ST, T Cot, C ] D, DI
DF [ CF, CIF, CI, C ] D, L
Excellent laminated bamboo slide rule in great leather case. OEM Ricoh. 25

Sheet 7: Europe

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
14.01.10.37 09.01.12.59 Faber-Castell 57/87 Rietz Schul dc959 (1959) 27 cm // K, A [ B, CI, C ] D, L
[S, ST, T]
Plastic, in Clear Plastic sleeve. As shown in reference, but no green tint on stock. Fully functional 10
18.12.08.03 14.01.03.02 Diawa No 301 Reitz dc14 (Jan 1954) A [ B, CI, C ] D
[ S, S&T, T ]
Excellent. Leather sleeve. Has smudges from use. 15












18.04.06.36 14.05.01.01 Faber-Castell 1/87A with Addiator on Back 10inch // K, A [ B, CI, C ] D, L || 30cm
[ S Cos, ST, T Ctg ]
Rare. With stylus for addiator. One chip off Centimeter scale edge. Green box sleeve/ 190
P030 18.04.06.113 Faber-Castell 63/82 Bi-Plex Pocket. NOS L, T1, T2, A [ B, BI, CI, C ] D, S, ST, P
LL03, LL02, LL01, K [ K', C, CIF, CF ] DF, LL1, LL2, LL3
New Old Stock. 24 Scales. Leather sleeve, manual, retail box. 100
P031 18.04.06.114 Faber-Castell 63/83 Novo BiPlex Pocket. NOS K, T1, T2, DF [ CF, CIF, CI, C ] D, S, ST, P
LL03, LL02, LL01, W2 [ W2', L, C, W1' ] W1, LL1, LL2, LL3
New Old Stock. 27 scales. Leather sleeve, manual, retail box. 100
18.04.06.112 13.06.28.03 Faber-Castell 67/87 Rietz Pocket dc263 (1953) 5in // K, A [ B, CI, C ] D, L
[ S, ST, T ]
Excellent. Leather sleeve. Has smudges from use. 20
18.07.11.08 09.01.12.108 Reiss DDR Darmstadt Pocket 15cm // K, A DF [ CF, CIF, CI, C ] D, P, S, T
[ LL1, LL2, LL3, L]
All plastic with LogLog scales. Cursor: 4 hairlines Leather sleeve. No markings. Sleeve is embossed with company name: “tvornica parnih kotlova zagreb” 25






18.04.06.08 04.11.10.02 Aristo 870 Pocket Multi-Log dc 21A12 LL00, K, A [ B, T Cot, ST, S Cos, C ] D, DI, LL0
LL01, LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2, LL1
Like new . Leather sleeve. No markings 40
17.06.17.06 09.01.12.71 Aristo 89 Rietz no date code 14 cm // K, A [ B, CI, C ] D, L
[S, ST, T]
No sleeve. Lightly soiled 15
15.07.20.04 09.01.12.71 Aristo 89 Rietz no date code 14 cm // K, A [ B, CI, C ] D, L
[S, ST, T]
No sleeve. Promo on back (Hughes International UK) 15
13.00.00.38 09.01.12.78 Aristo 0903 Scholar dc 2LE2 Plastic sleeve L, K, A [ B, BI, CI, C ] D, S Cos, ST ST, T Cot clean all plastic. Back is blank. Stock. has imprint 409 (school issue) Multiple hairlines. White and Red hard sleeve 15
13.00.00.16 09.01.12.76 Aristo 0903 Scholar dc 3FE7 Plastic sleeve L, K, A [ B, BI, CI, C ] D, S Cos, ST ST, T Cot
25 cm, 10 inch
clean all plastic. Back is blank. Multiple hairlines. White and Red hard sleeve 15
18.04.06.75 09.01.12.85 Aristo 0915E Electro New In Box 28cm // K, A [ B, BI, CI, C ] D, LL3, LL2 \\ 9-0in,0-9in
[ S, ST, L, T]
Perfect. New Old Stock. Plastic sleeve, manual, retail box. With insert 100
15.05.12.22 18.04.06.133 Aristo 0968 Studio V2 dc 6031 (1960) LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1
T Cot, ST ST, DF [ CF, CIF, CI, C ] D, P, S Cos
Multiple hairlines, metal cursor blocks. Cardboard sleeve with name (R.G.Arnold U.K.) 30
17,12,17,10 12.03.21.03 Aristo 0970 Multilog Charvoz dc635 Leather Sleeve LL00, K, A [ B, T Cot, ST, S Cos, C ] D, DI, LL0
LL01, LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2, LL1
Clean all plastic. Multiple hairlines, metal cursor blocks. Name on sleeve (Jim Belcher, Cookville) 35
18.04.06.136 13.07.03.22 Aristo 0970 Multilog dc2FL12 LL00, K, A [ B, T Cot, ST, S Cos, C ] D, DI, LL0
LL01, LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2, LL1
Clean all plastic. Multiple hairlines, metal cursor blocks. Retail outer sleeve. Plastic hard sleeve missing top half. Aristo 1364 insert included.with 30
15.05.12.23 12.03.21.03 Aristo 0970 Multilog dc608 (1960) LL00, K, A [ B, T Cot, ST, S Cos, C ] D, DI, LL0
LL01, LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2, LL1
Clean all plastic. Multiple hairlines, metal cursor blocks. One lens Cracked in corner. Functional. Name on Cardboard sleeve (J.Fehlmann) 25
18.04.06.126 13.07.03.22 Aristo 0970 Multilog dc624 (1962) LL00, K, A [ B, T Cot, ST, S Cos, C ] D, DI, LL0
LL01, LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2, LL1
Clean all plastic. Multiple hairlines, plastic cursor blocks. Name on Leather sleeve flap (Kathy Moaco) 35
14.01.10.34 13.10.07.05 Nestler 2012 Student Mannheim A [ B, C ] D
[ S, L, T]
Cardboard sleeve wood with metal framed cursor. For USA market. 30

Sheet 8: Post

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?






18.04.06.51 17.12.17.13 Post 1441 dcOG 4 inch Pocket Mannheim with magnifier, Brown leather vest sleeve with clip. 4in // A [ B, CI, C ] D 
[ S, L. T ]
Miniature but functional, pocket slide rule made by Sun Hemmi, rebranded for POST. Pocket clip sleeve. Excellent. $30
18.04.06.56 12.06.23.03 Post 1442 Pocket Duplex Dual 5 inch/10 inch (Roos) K, A [ B, S, T, C ] D, DI
Fraction-Decimal [ L L, C2, C1 ] D1, D2, D
Pocket slide rule with 5 inch wrap around scales equivalent to 10 inches long. White braces Brown sleeve. $40
18.04.06.57 14.07.02.79 Post 1444K 5 inch pocket Mannheim, dcKL 1960, Brown leather pocket clip sleeve. 5in // A [ B, CI, C ] D, K 
[ S, L. T ]
Pocket slide rule made by Sun Hemmi, rebranded for POST. Pocket clip sleeve. Excellent. Has partial retail box. $30
14.01.10.28 11.12.15.02 Post 1446 Mannheim pre WWII A [ B, CI, C ] D, K 
[ S, L. T ]
Black Cardboard sleeve. No cursor $5
14.07.03.38 11.12.15.02 Post 1446 Mannheim pre WWII A [ B, CI, C ] D, K 
[ S, L. T ]
Black Cardboard sleeve. No back equivalents label. $10
14.07.03.37 11.12.15.02 Post 1446 Mannheim pre WWII A [ B, CI, C ] D, K 
[ S, L. T ]
Black Cardboard sleeve. All intact $10
14.07.03.31 11.12.15.02 Post 1446 Mannheim pre WWII A [ B, CI, C ] D, K 
[ S, L. T ]
Black Cardboard sleeve. All intact $10
18..09.17.30 11.12.15.02 Post 1446 Mannheim pre WWII A [ B, CI, C ] D, K 
[ S, L. T ]
Black Cardboard sleeve. All intact $10
18.09.17.33 04.04.22.02 Post 1447 Mannheim dcCK Nov 1952 With Post logo A [ B, CI, C ] D, K 
[ S, L. T ]
Popular entry level slide rule. Brown leatherette sleeve. $10
18.09.17.31 09.01.12.43 Post 1447 Mannheim dcCK Nov 1952 No Post Logo A [ B, CI, C ] D, K 
[ S, L. T ]
Popular entry level slide rule. Brown leatherette sleeve. $10
18.04.06.54 14.07.04.01 Post 1450 Versatrig L, A [ T T, SecT ST, Cos S, C ] D, DI
K, DF [ CF, CIF, CI, C ] D, R1, R2
Black sleeve. OEM Hemmi bamboo slide rule. No markings. $30
14.01.10.14 11.10.30.02 Post 1452W Universal dcJL 1959 10in // A [ B, CI, C ] D, K 
[ S, L. T ]
Perfect/ No sleeve. OEM Hemmi bamboo
14.07.03.01 13.10.22.02 Post 1460 Versalog Duplex No SN dc CK LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Black COS label. Leather sleeve. Label on sleeve (San Angelo College) Hemmi OEM slide rule $40
18.04.06.59 13.10.22.02 Post 1460 Versalog Duplex No SN dc GE, retail Box, Leather sleeve w/ belt loop LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Black COS label. Leather sleeve with Belt Loop. Gold embossed name on sleeve (Keith Sherer). Bright white stock. Red Retail box. Hemmi OEM slide rule $80
14.07.03.38 12.06.24.21 Post 1460 Versalog Duplex sn840446, dcHJ retail Box, Leather sleeve w/ belt loop LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Black COS label. Brown Leather sleeve.unused belt loop. Red Retail box. Perfect Hemmi OEM slide rule $90
18.04.06.11 13.10.22.02 Post 1460 Versalog Duplex No SN dc GE, Retail Box, Leather sleeve w/ belt loop LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Black COS label. Leather sleeve with Belt Loop. Gold embossed name on sleeve (Keith Sherer). Bright white stock. Hemmi OEM slide rule $80
18.04.06.15 12.06.24.21 Post 1460 Versalog Duplex sn911333 dc IF Leather Sleeve with belt clip LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Black COS label. Leather sleeve. Name on sleeve flap (Jerome A. Ericksons). Hemmi OEM slide rule $50
14.07.03.35 17.12.17.01 Post 1460 Versalog Duplex sn835012 no date code LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Green COS label. Grey plastic hard case. Hemmi OEM slide rule $40
18.04.06.13 17.12.17.01 Post 1460 Versalog Duplex sn835012 no date code LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Green COS label. No sleeve. Hemmi OEM slide rule $25
12.06.24.26 17.12.17.01 Post 1460 Versalog Duplex sn220355 dcLG July 1961 LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Green COS label. Black leather sleeve. Hemmi OEM slide rule $35






19.03.08.01 17.12.17.01 Post 1460 Versalog Duplex sn300444 dcMF June 1962 LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Green COS label. Leather sleeve. Name inside sleeve flap. Hemmi OEM slide rule $40
18.09.17.26 17.12.17.01 Post 1460 Versalog Duplex sn610084 dcPD Apr 1965 LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Green COS label. Brown leather sleeve. Name inside flap (J.W.Dulin) . Hemmi OEM slide rule $40
14.07.03.34 17.12.17.01 Post 1460 Versalog Duplex sn709982 dc QF 1966 LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Green COS label. Black leather sleeve. . Hemmi OEM slide rule $35
18.04.06.47 19.01.31.01 Post 1460 Versalog II Duplex No SN dcVE 1971  logX, LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL/00, K, A, DF [ CF, CIF, CI, C ] D, R1, R2, LL0
Added A scale. Green COS. Excellent leather sleeve with belt clip. Favorite of USAFA cadets. Removable name tag (Rick Criml, Sec 345) . Perfect $75
18.04.06.47 19.01.31.01 Post 1460 Versalog II Duplex No SN dcVF 1971  logX, LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL/00, K, A, DF [ CF, CIF, CI, C ] D, R1, R2, LL0
Added A scale. Excellent leather sleeve with belt clip. Favorite of USAFA cadets. Removable name tag (Jay A. Drury CY5-0709) . Perfect $75
18.04.06.32 09.01.12.47 Frederick Post 1461 Electrical c1936. Very Rare. Pre-WWII and pre-Versalog numbering system. L, K, A [ B, CI, C ] D, T(tau), G(theta)
Theta, R(theta), P [ Q, QI, C ] LL3, LL2, LL1
Grey hard plastic sleeve (not original), Slide rule in perfect condition. Pre-Post oval logo. 200
18.04.06.58 11.08.28.02 Post 1461 Pocket Versalog, vest pocket sleeve dc HL 1957 LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL/0, LL/00, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Plastic laminate bamboo duplex. Perfect. Brown sleeve with pocket clip. Name inside flap ( R. Vissia) $60
18.04.06.50 11.08.28.02 Post 1461 Pocket Versalog, vest pocket sleeve dc HI 1957 LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL/0, LL/00, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Plastic laminate bamboo duplex. Perfect. Brown sleeve with pocket clip. $65
14.07.03.36 10.12.12.01 Post 1462 Duplex (Roos) pre WWII LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
T, DF [ CF, CIF, CI, C ] D, S, ST
Plastic braces, laminated mahagony. Name on sleeve flap (McConnell). Made in USA $20
14.07.03.08 10.12.12.01 Post 1462 Duplex (Roos) pre WWII LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
T, DF [ CF, CIF, CI, C ] D, S, ST
Metal braces, laminated mahagony. No sleeve. Made in USA $20






19.05.04.04 14.01.10.12 Post 1462 Duplex Log Log Deci Trig, c1945 (Made by Roos), Brown leather sleeve in red box. LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
T, DF [ CF, CIF, CI, C ] D, S, T
(Made by Roos), white braces. Brown leather sleeve in red box. $40

Sheet 9: MiscUSA

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
18.12.30.15 12.04.03.01 Lawrence 8-B 8” Mannheim, Wabash, Ind. A [ B, CI, C ] D, K
Conversion Chart
All wood, Blue ink text. Name in well (Steven Garreth) 15
14.01.10.51 14.07.02.56 Lawrence 10-B 10” Mannheim, Peru, Ind. A [ B, CI, C ] D, K
Conversion Chart
All wood, Blue ink text on white paint. No markings. Black sleeve with name (Judy Ford). Very nice 10
14.07.03.75 14.07.02.56 Lawrence 10-B 10” Mannheim, Peru, Ind. A [ B, CI, C ] D, K
Conversion Chart
All wood, Blue ink text on white paint. No markings. Lightly worn 8
18.04.06.144 12.03.21.05 Engineering Instruments, 10” Mannheim, Peru Indiana 1947 A [ B, CI, C ] D, K
Conversion Chart
No model number, Dark varnish covering rear 5
15.06.22.05 12.03.21.05 Engineering Instruments, 10” Mannheim, Peru Indiana 1947 A [ B, CI, C ] D, K
Conversion Chart
No Model Number. White painted wood on front, blue ink. Blue and orange cardboard retail sleeve 10
15.06.22.04 18.09.17.37 Engineering Instruments, 10-B 10” Mannheim, Peru Indiana 1947 A [ B, CI, C ] D, K
Conversion Chart
White painted wood on front, blue ink. Blue and yellow cardboard retail sleeve 10
18.09.17.19 14.10.10.11 Sterling 594 Decimal Trig Log Log c1965 w/instructions LL01, K, A [ B, T<45, T>45, ST, S ] D, DI, LL1
LL02, LL03, DF, [ CF, CIF, L, CI, C ] D, LL3, LL2
Model number. White plastic, like new. Grey vinyl sleeve. Missing screw. Fully operable. Name on sleeve (John Campbell) 20
18.09.17.18 11.11.11.03 Sterling 694 Decimal Trig Log Log c1965 w/instructions LL01, K, A [ B, T<45, T>45, ST, S ] D, DI, LL1
LL02, LL03, DF, [ CF, CIF, L, CI, C ] D, LL3, LL2
No model number. White plastic, like new. Black vinyl sleeve 20
18.09.17.15 11.11.11.03 Sterling 694 Decimal Trig Log Log c1965 w/instructions LL01, K, A [ B, T<45, T>45, ST, S ] D, DI, LL1
LL02, LL03, DF, [ CF, CIF, L, CI, C ] D, LL3, LL2
No model number. White plastic, like new. Brown vinyl sleeve 20
18.12.30.12 11.11.10.01 Sterling 685 Mannheim w/rulers c1965 w/instructions 10in 1/16 // A [ B, CI, C ] D, K \\ 10in .050
S, L, T (invert slide to use)
All plastic, blue and clear vinyl sleeve. 15
16.06.02.06 11.08.16.01 Sterling 587 Pocket Mannheim A [ B, CI, C ] D, K
S, L, T (invert slide to use)
All plastic, blue and clear vinyl sleeve. 5
18.03.20.12 11.08.16.01 Sterling 587 Pocket Mannheim w/ instructions A [ B, CI, C ] D, K
S, L, T (invert slide to use)
All plastic, blue and clear vinyl sleeve. Back has ESTOR gas engine oils promo 10
17.12.17.22 11.08.16.01 Sterling 587 Pocket Mannheim A [ B, CI, C ] D, K
S, L, T (invert slide to use)
All plastic, No sleeve 5
13.04.01.01 13.01.08.01 Sterling 651 Metric Converter Volume, Weight, Liquid
Linear distances and Area
All plastic, Slide in yellow plastic, stock white. 10
19.04.01.10 13.01.08.01 Sterling 651 Metric Converter Volume, Weight, Liquid
Linear distances and Area
All plastic, Slide in yellow plastic, stock white. 10
17.05.22.04 13.01.08.01 Sterling 651 Metric Converter Copyright1973 Volume, Weight, Liquid
Linear distances and Area
All plastic, Slide in yellow plastic, stock white. 15
18.09.17.45 12.02.19.01 C-Thru No. 27 Pocket Mannheim A [ B, CI, C ] D, K
S, L, T
Folded film type slide rule in paper sleeve 5
15.05.12.05 16.06.02.04 Acu-Math1211 Pocket Duplex Mannheim in retail box. A [ B, CI, C ] D, K, L
S, T
Plastic duplex with steel braces. Pre-Acu-Math logo. Retail box. White leather sleeve. 25
18.12.30.11 11.11.17.06 Acu-Math 150 Log Log Decitrig LL01, K, A [ B, T, ST, S ] D, L, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Plastic duplex, rounded corners, white molded braces. Black vinyl sleeve 25
14.01.10.59 11.02.14.01 Acu-Math 400 Student Mannheim Retail box w/instruction No44 S, K, A [ B, CI, C ] D, L, T
Back is blank
Plastic duplex, rounded corners, white molded braces. Tan Naugahyde sleeve. Red retail box. Manual. Clean 20
14.01.10.57 16.06.21.01 Acu-Math 400 Student Mannheim w/instruction (Sterling now) S, K, A [ B, CI, C ] D, L, T
Back is blank
Oval Logo. Plastic duplex, square corners, white molded braces. Black plastic sleeve. 20
19.04.01.11 13.06.25.01 Acu-Math 511 Mannheim Professional all-metal S, K, A [ B, CI, C ] D, L, K
Trig Identities, fractional Equivalents
magnesium duplex, rounded corners, metal braces. Tan naugahyde sleeve. Rusty screw heads and rivets 20
15.05.12.06 14.07.02.53 Acu-Math 600 Basic Trig Retail box w/instructions S, S&T, K, A [ B, CI, C ] D, L, T
Trig Identities, fractional Equivalents
magnesium duplex, rounded corners, metal braces. Tan Naugahyde sleeve. Red retail box. Manual. Clean 30
15.05.12.02 13.07.03.01 Acu-Math 1311 Log Log Decitrig all-metal, retail box LL01, K, A [ B, T, ST, S ] D, L, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
magnesium duplex, rounded corners, metal braces. Tan Naugahyde sleeve. Red retail box. Clean 40
14.01.10.44 15.04.17.02 Acu-Math 1500 U.S.Govt Log Log Decitrig LL01, K, A [ B, T, ST, S ] D, L, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Machined Plastic duplex, rounded corners, metal braces. Tan Naugahyde sleeve. 30
13.07.03.02 15.04.17.02 Acu-Math 1500 U.S.Govt Log Log Decitrig LL01, K, A [ B, T, ST, S ] D, L, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Machined Plastic duplex, rounded corners, metal braces. Sewed brown leather sleeve slight rust on screws/ 25
15.06.22.01 13.08.27.02 Charles Bruning 2420 leather sleeve 10inch // A [ B, CI, C ] D, K \\ 25cm
[S, L, T ]
All-plastic. Leather sleeve. Instructions. Perfect like new. W/Box 30
14.07.02.87 13.07.03.06 Charles Bruning 2401 leather sleeve. 5inch // A [ B, CI, C ] D, K \\ 12.5cm
[S, L, T ]
All-plastic. 1945 cursor. Leather sleeve. (Embossed w/name Alfred E Trosch) 10
18.04.06.141 14.07.02.07 Charles Bruning 2401 leather sleeve. In box w/instr. 5inch // A [ B, CI, C ] D, K \\ 12.5cm
[S, L, T ]
All-plastic. Newer cursor. Leather sleeve. Instructions. Perfect like new. W/Box Promotional (Int. Conveyor & Washer Corp.) 20
19.04.01.13 Howitzer Howitzer 155 mm Charge 5 & 6 Firing Table Slide Rule. Vietnam Era. Range, elevation, drift, etc In khaki case Vietnam Era. Cursor stuck from wood expansion. “Jones” written on stock. 25

Sheet 10: British

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?






14.09.07.02 14.02.10.04 British Thornton P271 Log Log LL2, LL3, L, A [ B, CI, ISd/Sd, Td/ITd, C ] D, S, ST, T Black flexible sleeve with snap flap. 35
18.04.06.131 14.02.10.04 British Thornton P271 Log Log LL2, LL3, L, A [ B, CI, ISd/Sd, Td/ITd, C ] D, S, ST, T Grey hard case. 35
18.12.30.02 14.02.10.04 British Thornton P271 Log Log LL2, LL3, L, A [ B, CI, ISd/Sd, Td/ITd, C ] D, S, ST, T Grey hard case. 35
19.04.01.07 11.12.09.01 Unique Study 500 with Instructions K, A [ B, CI, C ] D, S, T Green and white vinyl sleeve 15
19.04.01.08 11.12.09.01 Unique Study 500 with Instructions K, A [ B, CI, C ] D, S, T Green and white vinyl sleeve 15
19.04.01.09 11.12.09.01 Unique Study 500 with Instructions K, A [ B, CI, C ] D, S, T Green and white vinyl sleeve 15
17.05.02.15 15.05.12.17 BRL 304 Academy Darmstadt L, K, A [ B, CI, C ] D, P, S, T
[ L1, L2, L3 ]
All plastic duplex style. Blue and transparent sleeve 25

Sheet 11: Adopted

Ascension # Reference Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?







18.04.06.88

Adopted by Thomas
13.02.20.06 Pickett N3P-ES – Pocket Power Log Exponential Black Leather Sleeve w/belt clip √  #1, √  #2, K, A [B, ST, S/Cos, T1, T2, CI, C] D, DI, 3√  #1, 3√  # 2, 3√  #3
LL0+0.001/-0.001, LL1+0.01/-0.01, DF [ CF, CIF, Ln, L, CI, C ] D, LL2+0.1/-0.1, LL3+1.0/-1.0
Modern Logo with artwork code. Inverse scales in RED. Curved Braces, No markings. Perfect $100
18.04.06.73

Adopted by Julia
12.06.24.12 Pickett N600-ES Log Log Duplex NIB Sleeve,with clip, Manual LL1+.01/-.01, A [ B, ST, T T, S Cos, C ] D, DI, K
LL2+.1/-.1, DF [ CF, Ln, L, CI, C ] D, LL3+1/-1
Made in USA - Modern Pickett Logo, New Old Stock in Retail box end with manual. Hooked braces $75
18.01.04.03

Adopted by Julia
12.06.24.12 Pickett N600-ES Log Log Duplex Brown leather Sleeve with clip LL1+.01/-.01, A [ B, ST, T T, S Cos, C ] D, DI, K
LL2+.1/-.1, DF [ CF, Ln, L, CI, C ] D, LL3+1/-1
Made in USA - Modern Pickett Logo, $50
18.04.06.68

Adopted by Julia
09.01.12.116 Pickett N803-ES - Log Log Speed Rule Dual Base 1960-75 NIB Suede Sleeve, Retail Box, Manual √ #1, √  #2, K, A [ B, S Cos, ST, T Cot, CI, C ] D, DI, DFM
LL0+0.001/-0.001, LL1+0.01/-0.01, DF [ CF, CIF, L, CI, C ] D, LL2+0.1/-0.1, LL3+1.0/-1.0
Modern logo, curved braces, grooved convex lens New Old Stock. Outer box has a small tear $50
18.01.04.04

Adopted by Thomas
11.11.18.04 Pickett 160-ES Student Microline plastic Pocket. Black Leatherette sleeve K, A [ B, CI, C ] D, L All plastic pocket slide rule. Initials scratched on back $10
17.12.17.04

Adopted by Julia
13.01.09.02 K&E N4053-5 20 inch Polyphase sn694397 (1936-1942) Leather sleeve,in Box 20in // A [ B, CI, C ] D, K || 50cm
[ S, L, T ]
Equivalents Label
Perfect. No markings. Improved cursor. Sleeve intact. Box shows wear and has tape on each end to prevent tearing. 100
17.12.17.12

Adopted by Philip
11.11.11.03 K&E 4181-1 Pocket Log Log Duplex Decitrig sn117350 LL01, L, K, A [ B, T Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Plastic stock, metal braces. RED Inverse scales. Very nice. No sleeve 40
18.04.06.129

Adopted by Philip
15.02.25.01 Dietzgen 1725 Microglide Vector type Log Log sn014139 Th, Sh2, Sh1, A [ B, T<45 Cot, T>45 Cot, ST, S Cos ] D, DI, K
LL01, LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2, LL1
Immaculate. Slide rule and leather sleeve. Better than archive specimen. 60 $150 total
18.04.06.20

Adopted by Alexander
10.03.01.01 K&E 4081-3 Log Log Duplex Decitrig sn433147 (1955-62) Green Leather Sleeve LL01, L, K, A [ B, T Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2
Beautiful example of laminated edges with exposed mahogany A favorite design but more expensive to make. No markings on green leather sleeve. 45
18.04.06.10
Adopted by Alexander
12.06.24.09 Hemmi No.153 for electrical engineer dcHS L, K, A [ B, CI, C ] D, T, Gθ
θ, Rθ, P(sin) [ Q(cos), Q', C ] LL3, LL2, LL1
Bamboo duplex. Excellent. Hard cardboard sleeve 50 $110 total
18.04.06.02

Adopted by Philip P.
12.04.27.01 Faber-Castell 2/83N Novo-Duplex T1, T2, K, A, DF [ CF, B, CIF, CI, C ] D, DI, S, ST, P
LL03, LL02, LL01, LL00, W2 [ W2', CI, L, C, W1' ] W1, D, LL0, LL1, LL2, LL3
Perfect. In hard plastic clam-shell box. 31 scales. Featured in Scientific American. 100
18.04.06.90

Adopted by Jason W.
11.08.23.01 Pickett N3-ES - Power Log Exponential Brown Leather Sleeve w/belt loop w/Manual √  #1, √  #2, K, A [B, ST, S/Cos, T1, T2, CI, C] D, DI, 3√  #1, 3√  # 2, 3√  #3
LL0+0.001/-0.001, LL1+0.01/-0.01, DF [ CF, CIF, Ln, L, CI, C ] D, LL2+0.1/-0.1, LL3+1.0/-1.0
Modern Logo with artwork code. Inverse scales in RED Curved Braces, Name on sleeve flap $50 $75 total
18.04.06.86

Adopted by James M.
04.08.04.01 Pickett N4-ES Vector-Type Log Log Dual-Based Speed Rule 1964-75 Dark Brown Leather Sleeve LL1+.00D/-.00D, LL2+.0D/-.0D, DF/m [ CF/m, TH, SH, Ln, L, CI, C ] D, LL3+.D/-.D, LL4+D./-D.
3√ #1, 3√ #2, 3√ #3, DF [ CF, CIF, T1, T2, ST, S Cos, CI, C ] D, DI, √ #1, √ #2
Made in USA - Aluminum Stock - Modern Logo. No artwork codes. No Markings $60 $100 total
18.04.06.08

Adopted by James M.
12.06.24.01 Faber-Castell 2/82 Bi-Duplex L, T1, T2, A [ B, BI, CI, C ] D, ST, S, P
LL03, LL02, LL01, K [ K', C, CIF, CF ] DF, LL1, LL2, LL3
Perfect. In hard plastic clam-shell box. 24 scales. 40
18.04.06.106

Adopted by
William E.
14.10.15.01 Dietzgen 1734 Microglide Decimal Trig type Log Log sn078556 LL01, K, A [ B, T<45 Cot, T>45 Cot, ST, S Cos  ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2
Perfect slide rule. Brown leather sleeve. Name inside flap Retail box intact. Insert included. Care instructions 50 $43 Ship to CA
17.12.17.02

Adopted by Doug C.
09.01.12.09 Jason 802 Decitrig Log/Log LL0, LL00, A [ B, K, CI, C ] D, S Cos, S T, T Cot
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
Excellent laminated bamboo slide rule in perfect leather case. OEM Ricoh. Name inside flap (Barbara Benjamin) 25
18.04.06.118

Adopted by Doug C.
04.11.10.01 Aristo 868 Pocket Log Log dc6502 in retail box LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1
ST, T Cot DF [ CF, CIF, CI, C ] D, P, S Cos
Like new . Leather sleeve. Retail box, worn. Gold embossed name on sleeve: Sergio Vargas Basurto 40
16.02.07.03

Adopted by Doug C.
17.12.17.01 Post 1460 Versalog Duplex sn300444 dc Jan 1962 LL/1, LL/2, LL/3 [ T/T, SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Green COS label. Scuffed leather sleeve. Name inside sleeve flap. Hemmi OEM slide rule $40
15.02.28.01

Adopted by Doug C.
18.04.06.06 Post 1462H Postrig Duplex MIOJ 1945-1955 in leather sleeve LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
T, DF [ CF, CIF, CI, C ] D, S, T
Labeled as Made In Occupied Japan. Post WWII. Leather sleeve missing flap. Ricoh cursor $20
19.05.04.05

Adopted by Doug C.
12.06.24.25 Dietzgen 1738 Style M Improved Decimal Trig Log Log 1954 LL01, K, A [ B, T<45 Cot, T>45 Cot, ST, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2
Magnesium stock. Plastic cursor block. excellent. Leather sleeve intact. Name inside flap (J.T.Mahoney) 40
18.04.06.24

Adopted by Doug C.
13.09.03.01 K&E 68-1100 Deci-Lon 10 (Version 2) . sn215350. Tan leather sleeve w/belt loop Ln-3, Ln-2, Ln-1, Ln-0, A [ B, T Cot, SRT, S Cos, C ] D, DI, K
Sq1, Sq2, DF [ CF, CIF, L, CI, C ] D, Ln0, Ln1, Ln2, Ln3
Version 2. With model number. Red and black ridges on slide. Name inside flap. 60
14.07.03.49

Adopted by Doug C.
12.08.05.02 Pickett N4-ES Vector Log Log Dual-Based Speed Rule 1958-1959 Tan Leather Sleeve w/ belt loop LL1+.00D/-.00D, LL2+.0D/-.0D, DF/m [ CF/m, TH, SH1, SH2, L, <CI, C ] D, LL3+.D/-.D, LL4+D./-D.
3√ #1, 3√ #2, 3√ #3, DF [ CF, T1, T2, ST, S Cos, <CI, C ] D, <DI, √ #1, √ #2
Round Black Logo with artwork code. Inverse scales in RED Curved Braces, Flat lens Name inside flap of sleeve. Otherwise perfect. $50 $290 total w/SH