Overview

Pickett
Keuffel & Esser
Circular
Dietzgen
Hemmi
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
18.09.17.14 12.06.24.07 Pickett 120-ES Microline. Sleeve K, A [ B, T Cot, S Cos, CI, C ] D, L One piece injection molded wide stock and slide, Yellow. No markings $10
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
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
18.04.06.86 04.08.04.01 Pickett N4-ES Vector-Type Log Log Dual-Based Speed Rule 1964-75 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 $50
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 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, 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, Convex lens Name inside flap of sleeve. Otherwise perfect. $50
18.09.08.17 11.08.23.01 Pickett N3-ES - Power Log Exponential Brown Leather Sleeve w/belt loop √  #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
18.04.06.90 11.08.23.01 Pickett N3-ES - Power Log Exponential Brown Leather Sleeve w/belt loop √  #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
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
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
13.02.20.03

Adopted by Julia
18.01.04.02 Pickett N904-ES Trig and Decimal Keeper Speed Rule - 1960-62 NIB Black sleeve, Manual K, A [ B, T Cot, S Cos, CI, C ] D, L
K*, A* [ B*, T*, S*, CI*, C* ] D*, L*
Popular slide rule for the UIL contests. It was banned from many competitions. Perfect, box has modern logo, Slide rule has Round black logo. With manual $50
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
18.04.06.24 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. No markings. 60
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 inatct, 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 25
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 reat. 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
18.04.06.106 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
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

Sheet 6: 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






18.04.06.08 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. 60
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

Sheet 7: Post

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

Sheet 8: MiscUSA

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

Sheet 9: 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 10: 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