Current List of ISRM Slide Rules For Sale

Rarities • Pickett • Keuffel & Esser • Circular • Dietzgen • Hemmi • Asia-China •
Ricoh-Japan • Aristo • Faber-Castell • Nestler • Misc Europe • Post • Acumath •
Lawrence • Sterling • Misc USA • British • Aerospace •

Other Items for Sale at ISRM:

Hemmi and Post Parts • Pickett/RelayRicoh/Nestler/Dietzgen/Misc Parts •
K&E Keuffel and Esser Parts • Books, Manuals and Ephemera • Sleeves/Cases •

HOW TO ORDER

Rarities and Featured Limited Offerings
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
24.05.05.06
18.04.06.89
 NIB Pickett N3-T Pocket Powerlog Exponential Log Log Dual Base 1964-69 New Old Stock &rad; #1, &rad; #2, K, A [B, ST, S/Cos, T1, T2, CI, C] D, DI, 3&rad; #1, 3&rad; # 2, 3&rad; #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 Excellent. Curved braces, convex lens, modern logo. Maroon leather sleeve $150
24.05.05.09
19.06.18.02
 The Spirule (copyright 1951) V1 by Walter Evans for North American Aviation Circular disk: ( Slope, damping Ratio, Log, C scale )
Rectangular scales on face (D scale), S/2, 1/S, S, R, P, M, A-, A+
Scales on edges: 0-1.8 linear, 0-90 linear, 1-10 Logarithmic		 1st of 3 variations. With manual and shipping envelope $50

Pickett
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
24.07.04.18
18.04.06.01
 Pickett B1 Duplex Log Log in polybag no sleeve or manual LL0, L, A [ B, Cos S, SecT ST, T T, C ] D, sqr1, sqr2, LL0
LL1, LL2, LL3, DF [ CF, CIF, CI, C] D, LL3, LL2, LL1		 perfect. No sleeve or manual $120
11.08.23.01
11.08.23.01
 Pickett N3-ES Powerlog Exponential Log Log Dual Base 1960 &rad; #1, &rad; #2, K, A [B, ST, S/Cos, T1, T2, CI, C] D, DI, 3&rad; #1, 3&rad; # 2, 3&rad; #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 Excellent. Curved braces, convex lens, Modern logo. Burgandy leather sleeve, name inside flap $60
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
18.04.06.100
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
18.09.17.12
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
18.09.17.13
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
18.04.06.101
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
23.10.13.03
15.03.28.01
 Pickett 120 Student Mannheim black 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. Black sleeve $5
20.08.15.21
12.06.24.07
 Pickett No. 120-ES Trig V2 Microline Black Sleeve, K, A [ B, T Cot, S Cos, CI, C ] D, L
 Molded yellow plastic , wide stock, black leatherette sleeve V2 Italic Inverse Scales. $10
20.08.15.22
12.06.24.07
 Pickett No. 120-ES Trig V2 Microline Black Sleeve, K, A [ B, T Cot, S Cos, CI, C ] D, L
 Molded yellow plastic , wide stock, black leatherette sleeve V2 Italic Inverse Scales. $10
14.09.21.07
12.06.24.07
 Pickett No. 120-ES Trig V2 Microline Black Sleeve, K, A [ B, T Cot, S Cos, CI, C ] D, L
 Molded yellow plastic , wide stock, black leatherette sleeve V2 Italic Inverse Scales. $10
20.08.15.21
12.06.24.07
 Pickett No. 120-ES Trig V2 Microline Black Sleeve, K, A [ B, T Cot, S Cos, CI, C ] D, L
 Molded yellow plastic , wide stock, black leatherette sleeve V2 Italic Inverse Scales. $10
20.08.15.18
12.03.02.01
 Pickett No. 121-T Trig Microline Black Sleeve, K, A [ B, T Cot, S Cos, CI, C ] D, L
Conversions and Equivalents		 Molded White plastic , wide stock. black leatherette sleeve $15
17.12.17.18
12.06.24.15
 Pickett Microline 140-ES Expanded Log Log Version 2
Black sleeve		 LL1, 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
21.06.10.31
12.06.24.15
 Pickett Microline 140-ES Expanded Log Log Version 2
Black sleeve		 LL1, 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		 LL1, 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
19.10.27.18
11.11.18.04
 Pickett Microline 160-ES Pocket SR Black sleeve K, A [ B, CI, C ] D, L Made in USA - All scales Black. No Markings first version $10
20.04.01.039
18.04.06.78
 Pickett N200-T Trig duplex with leather pocket clip sleeve. K, A [ B, CI, C ] D, L
Promo [ S, ST, T, C ] D		 Excellent. Curved braces, convex lens, modern logo. Joslyn Electronic system promo. Commerative ARR-COMM/SIG Chicago Meeting 1967 $25
23.05.18.05
09.01.12.96
 Pickett&Eckel Model 200 Trig duplex with leather pocket clip, retail box w/manual K, A [ B, CI, C ] D, L
Blank [ S, ST, T, C ] D		 Triangle logo #38 artwork. Rounded braces, metal; bars, flat lens, Magnesium stock. sleeve w/clip $40
20.04.01.221
09.01.12.96
 Pickett&Eckel Model 200 Trig duplex with leather pocket clip, retail box w/manual K, A [ B, CI, C ] D, L
Blank [ S, ST, T, C ] D		 Triangle logo #38 artwork. Rounded braces, metal; bars, flat lens, Magnesium stock. Slight oxidization in grooves. Good Manual. Good box Jack & Heintz promo $40
22.05.06.33
14.01.10.21
 Pickett N200-ES - Log Log Synchro-Scale – Black Leather clip sleeve K, A [ B, CI, C ] D, L
Blank [ S, ST, T, C ] D		 Pristine - Curved braces, nylon bars and convex cursor lens. All black text. Round black logo. $80
23.05.18.10
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, Curved Braces, Excellent, no Markings $60
24.05.05.08
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		 Perfect, no Markings. For Cleveland Institute of Electronics, Round Black Logo, Curved Braces Modern Pickett Logo on sleeve, $55
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 $55
22.07.06.120
18.09.17.10
 Pickett N-515-T Electronic CIE Logo Brown Leather Sleeve w/belt clip (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, Curved Braces, Convex lens,
Perfect, no Markings		 $70
21.08.07.21
18.09.17.10
 Pickett N-515-T Electronic CIE Logo Brown Naugahyde 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, Modern Pickett Logo, Curved Braces, Convex lens,
Perfect, no Markings		 $50
21.06.10.30
12.06.24.50
 Pickett N-531-ES Capitol Radio Engineering Institute - 1960 , Black Naugahyde 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. No markings. Black Naugahyde sleeve $40
22.07.06.124
18.09.04.01
 Pickett N800-ES - Dual Base Log Log Standard Range 1959 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 - in retail box. Square braces, Round Black Logo, Flat cursor lens. All black text. "JJ" on sleeve and stock. $40
20.08.15.12
20.08.15.13
 Pickett N901-T Simplex Misprint on -ES color stock. Brown Sleeve. K, A [ B, T Cot, S Cos, CI, C ] D, L
Expanded Equivalents.		 Made in USA - Aluminum Stock, Flat lens, With CI scale, Square Braces, Black Round Logo,. Red ink Markings on back of stock. Rare misprint on -ES stock. Was a special school edition. $40
20.08.15.25
20.08.15.13
 Pickett N901-T Simplex Misprint on -ES color stock. Brown Sleeve. K, A [ B, T Cot, S Cos, CI, C ] D, L
Expanded Equivalents.		 Made in USA - Aluminum Stock, Flat lens, CI scale, Square Braces, Black Round Logo,. Red ink Markings on back of stock. Rare misprint on -ES stock. Was a special school edition. $40
20.08.15.26
20.08.15.13
 Pickett N901-T Simplex Misprint on -ES color stock. Brown Sleeve. K, A [ B, T Cot, S Cos, CI, C ] D, L
Expanded Equivalents.		 Made in USA - Aluminum Stock, Flat lens, With CI scale, Square Braces, Black Round Logo,. Red ink #5 Marking on back of stock. Rare misprint on -ES stock. Was a special school edition. $40
20.08.15.28
20.08.15.13
 Pickett N901-T Simplex Misprint on -ES color stock. Brown Sleeve. K, A [ B, T Cot, S Cos, CI, C ] D, L
Expanded Equivalents.		 Made in USA - Aluminum Stock, Flat lens, With CI scale, Square Braces, Black Round Logo,. Red ink #14 Marking on back of stock. Rare misprint on -ES stock. Was a special school edition. $40
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. $40
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, Convex Lens, Round Black Logo,. Curved braces scales slightly faded. $10
22.10.14.06
10.12.12.07
 Pickett N902-T 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, Square Braces, Round Black Logo, Flat lens Burgandy sleeve. Faded Retail box with manual.. $30
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 – Convex lens, Modern Logo,. Curved braces scales slightly faded. $10
22.07.06.115
14.01.10.42
 Pickett 1010, Early Magnesium, SN 3D17012 round braces K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L		 Made in USA by Pickett & A.F. Eckel. Triangle logo, rounded steel braces, steel cursor bars, flat lens. Very nice. Early design of Brown leather sleeve. $20
21.10.04.02
14.01.10.42
 Pickett 1010, Early Magnesium, SN 2D08424 round braces K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L		 Made in USA by Pickett & A.F. Eckel., Triangle logo, rounded steel braces, steel cursor bars, flat lens. Markings on slide and light scratches. Small chips on edge. $15
13.00.00.28
13.00.00.27
 Pickett N1010-ES 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
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, $25
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. Black inverse scales. Plastic bar cursor, Round Black logo, square braces, Added DI scale. No markings $20
10.12.12.06
13.00.00.27
 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 – V2 scales set. RED inverse scales. Plastic bar cursor, Round Black logo, square braces, Added DI scale. No markings $30
23.09.30.02
13.00.00.27
 Pickett N1010-ES Trig Duplex c1964 brown 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
23.08.04.01
12.06.24.18
 Pickett N1010-ES Trig Duplex 1964, Black Leather Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI		 Perfect.; V3 scale set. Nylon bar cursor, curved braces, Modern logo, curved braces. no markings $25
24.08.01.03
12.06.24.18
 Pickett N1010-ES Trig Duplex 1964, Black Leather Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI		 Perfect.; V3 scale set. Nylon bar cursor, curved braces, Modern logo, curved braces. no markings $25
22.07.06.123
12.06.24.18
 Pickett N1010-ES Trig Duplex 1964, Modern logo Black Sleeve w/triangle logo. K, A, [B, ST, T  Cot, S Cos, C] D, DI
L, DF [ CF, CIF, CI, C ] D, DI		 Made in USA – In retail box with manual. V3 scale set. Plastic bar cursor, radius braces, Modern logo, curved braces. Name "Judy Kuipers" inside flap $40
21.06.10.18
12.06.24.18
 Picket N1010-ES Power Trig in Retail box, black leather sleeve w/manual. K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L		 Excellent. Curved braces, convex lens, Modern Logo. Black leather sleeve. Manual included. w/ clip-on belt loop. Retail box is rough. Has poly bag. $50
24.05.20.01
19.05.04.07
 Pickett 1010-T Trig Duplex Early version c1950 with tan snap sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, L		 Made in USA, grooved stock, left arrow inverse scales. metal bar cursor, round black logo, rounded steel braces, with tan snap sleeve. name under flat. $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. Nylon bar cursor, Round Black logo, square braces, Added DI scale. Name inside flap $30
22.10.13.08
12.06.24.47
 Pickett N1010-T Trig Duplex c1964, Black Sleeve K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L		 Made in USA – Very clean, bright metal., V1 scales set. RED inverse scales. Nylon bar cursor, flat lens, Round Black logo, square braces, Added DI scale. No markings $30
22.05.06.10
16.06.02.02 		Pickett N1010-T Trig Brown leather leather sleeve. K, A, [B, ST, T  Cot, S Cos, C] D, DI
DF [ CF, CIF, CI, C ] D, DI, L		 Curved braces, convex lens, Round Black Logo. RED inverse scales. Brown leather sleeve.."B.Carter" on flap. $25
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

TOP • Rarities • Pickett • Keuffel & Esser • Circular • Dietzgen • Hemmi • Asia-China • Ricoh-Japan • Aristo • Faber-Castell • Nestler • Misc Europe • Post • Acumath • Lawrence • Sterling • Misc USA • British • Aerospace • HOW TO ORDER

Keuffel & Esser

Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
13.00.00.94
10.03.01.10
 K&E N4053-3 10" Polyphase Mannheim Lot961 c1922 Side K scale hairline, black box sleeve 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 Has 1936 NIC (framed cursor) replacement for pre-1935 all-glass cursor. $25
16.02.29.05
13.06.25.07
 K&E 4053-3 Polyphase, New Design 1961 sn487639, Green Leather Sleeve 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 New Design. Plastic backed stock, No Markings. Scale celluloid aged. $30
22.07.06.167
13.06.25.07
 K&E 4053-3 Polyphase, New Design 1961 sn457791, Orange Leather Sleeve 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 New Design. Plastic backed stock, clean orange sleeve "R.B" inside flap. Scale celluloid aged $30
18.04.06.40
22.09.13.43
 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: Jas. W. Houdeshell (1892-1961), Acacia House. No defects on slide rule. Excellent. $40
22.05.22.14
10.03.01.11
 K&E 4053-3 Polyphase Lot 2261914 Brown Leather Sleeve. AGC Metal blocks 10in // A [ B, CI, C ] D || K
[ S, L, T ]
Equivalents Label		 Side K Scale, Scale labels on right end of stock. Rare metal blocks made in 1914 only. Intact Leather sleeve flap has "Robert Baer Deer Lodge, Montana". $60
23.10.13.02
10.03.01.13
 K&E N4053-3 Polyphase, 1929 sn281488, Intact Brown Leather Sleeve 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 All Glass Cursor Cursor. Nice Leather sleeve no markings inch scale missing segment outside of 12" mark. $40
22.07.06.205
19.12.05.01
 K&E N4053-3 Polyphase, New Design 1929 sn294323, Brown Leather Sleeve 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 New Design. New Improved Cursor. Some drafting ink residue. Nice Leather sleeve with "Roy M. Meadows" written on it. $30
22.07.06.88
22.10.15.09
 K&E N4053-3 Polyphase, c.1947 sn283448, Black hard sleeve 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 "Patent 1,934,232" in center of upper stock between "Keufel & Esser" and "Made in USA". New Improved Cursor. No Markings. Excellent condition. Black hard sleeve intact . $30
22.05.22.16
21.06.10.06
 K&E N4053-3 Polyphase, 1948 sn375584, Black leathersleeve 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 "Patent 1,934,232" to right of upper stock and "Made in USA".on left. New K&E logo on right of slide. New Improved Cursor. No Markings. Excellent condition. Black leather sleeve intact . $30
22.09.13.47
22.05.22.06
 K&E 4054 Polyphase Slide Rule sn182972 (1946) A [ B, CI, C ] D, K
[ S, L, T ]		 New Improved Cursor. In Box. Sleeve Perfect $30
22.07.06.104
14.07.02.41
 K&E 4056 Favorite sn598628 A [ B, C ] D
[ S, L, T ]		 Made in U.S.A. - Bright Metal framed cursor . intact sleeve. $15
19.10.27.09
14.07.02.41
 K&E 4056 Favorite sn598959 A [ B, C ] D
[ S, L, T ]		 Made in U.S.A. - Bright Metal framed cursor . No sleeve. Bill Mc scratched on slide $10
22.05.22.13
17.05.22.09
 K&E 4056 Favorite sn629140 A [ B, C ] D
[ S, L, T ]		 Made in U.S.A. - Black oxide Metal framed cursor .No sleeve. $10
13.00.00.97
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 . perfect. No markings. $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
13.00.00.22
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
14.07.03.22
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. - Bright Metal framed cursor . Painted scales. No markings. Perfect $15
21.04.07.07
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. Perfect $15
13.00.00.04
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. - Bright Metal framed cursor . Painted scales. No markings. Perfect $15
13.00.00.23
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. - Bright Metal framed cursor . Painted scales. No markings. Perfect $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
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
21.06.10.37
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. Well used. Rough around the edges. $10
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		 Inlaid Laminated mahogany edges. Scales yellowed. Slight tarnish on braces/ cursor intact. Sleeve intact, number inside sleeve flap $25
23.05.18.37
23.07.14.01
 K&E 4080-3 Log Log Duplex Trig sn866105 1941 Orange Leather Sleeve LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Perfect, No K&E logo. 1939-1947 scale set Red LL0 & LL00..1956 cursor (no K&E labeling). Intact sleeve. "Herb Schramm" stamped on sleeve.. $40
22.09.13.44
12.08.25.01
 K&E 4080-3 Log Log Duplex Trig sn125236 1945 Black hard Sleeve LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Perfect, very bright stock. (Reference slide rule is not so good), 1939-1947 scale set Red LL0 & LL00. New Improved Cursor. Intact sleeve. No markings. $40
22.09.13.46
22.07.25.01
 K&E 4081-3 Log Log Duplex Decitrig sn661143 1938 (1937-1947 scale set) Brown Leather Sleeve LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 1937-1947 scale set. 3D cursor blocks New Improved Cursor intact. Excellent. Sleeve intact, but flap is beginning to tear.. No written markings. $30
21.06.10.08
22.07.25.01
 K&E 4081-3 Log Log Duplex Decitrig sn661143 1938 (1937-1947 scale set) Brown Leather Sleeve LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 1937-1947 scale set. Original New Improved Cursor intact. Excellent. Sleeve intact, but flap is beginning to tear.. No written markings. $30
22.05.22.18
10.03.01.03
 K&E 4081-3 Log Log Duplex Decitrig sn303691 1947 (1937-1947 scale set) K&E Logo. Black hard Sleeve LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 1937-1947 scale set. K&E 1952 Cursor. Shiny braces.K&E Logo.Excellent. Sleeve intact (has tape on bottom).. "KAEMMER" on back of flap. $30
22.07.06.175
22.07.25.01
 K&E 4081-3 Log Log Duplex Decitrig sn956082 1943 (1937-1947 scale set) Brown Leather Sleeve
 LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 No K&E logo, 1937-1947 scale set. NIC w/Restored w/3-D cursor blocks. Shiny braces. Sleeve has flap torn.. No written markings. $30
22.07.06.177
22.07.25.01
 K&E 4081-3 Log Log Duplex Decitrig sn235524 1947 (1937-1947 scale set) Black Hard Sleeve LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 No K&E logo, 1937-1947 scale set. original NIC. Shiny braces. Name on hard sleeve flap "Dotson". $30
22.07.06.180
22.07.25.01
 K&E 4081-3 Log Log Duplex Decitrig sn195175 1946 (1937-1947 scale set) Orange Sleeve LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 No K&E logo, 1937-1947 scale set. 3D cursor blocks. Shiny braces. No Name on sleeve, Sleeve has cracks from dyness. $30
13.05.05.02
09.10.27.01
 K&E N4083-3 Log Log Duplex Vector sn505324 1955 green Leather Sleeve L, LL01, LL1, A [ B, T Cot, SRT, S Cos ] D, Th, Sh2, Sh1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Replica Cursor. Notice that this has "SRT" instead of "ST". Sleeve intact. No markings Slight Tarnish on one end brace. $30
22.05.22.08
13.06.25.06
 K&E 4088-3 Polyphase Duplex Lot 35 K, A [S, T, CI ] D, L
DF [ CF, CIF, C ] D		 All glass cursor,. Early Patent dates on stock. (no issued patent number). One lens has chip in corner. Black hard case $30
22.07.06.204
14.11.07.01
 K&E 4088-3 Polyphase Duplex Lot 227 c1916 K, A [S, T, CI ] D, L
DF [ CF, CIF, C ] D		 All glass cursor,. Early Patent dates. on upper stock. Replaced broken lens w/ISRM plastic equivalent. Intact leather sleeve "James McCully" and "BMQ LTC" on sleeve. $25
22.07.06.178
04.04.23.02
 K&E 4092-3 Log Log Duplex . 1928. original All Glass Cursor, sn234238 Leather Sleeve LL0, A [ B, S, T, C ] LL3, LL2, LL1
K, DF [ CF, CIF, CI, C ] D, L		 All glass cursor, intact orange leather sleeve. "George L. Preto" inside flap. $40
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
18.09.17.01
04.04.23.02
 K&E 4092-3 Log Log Duplex . Sn302473 Leather Sleeve LL0, A [ B, S, T, C ] LL3, LL2, LL1
K, DF [ CF, CIF, CI, C ] D, L		 All glass cursor, One lens was broken and repaired with glass adhesive. Fully functional $30
14.01.07.02
04.04.23.02
 K&E 4092-3 Log Log Duplex .1932 Sn399224 Hard Black Sleeve LL0, A [ B, S, T, C ] LL3, LL2, LL1
K, DF [ CF, CIF, CI, C ] D, L		 All glass cursor, Plastic replacement lens. Fully functional.Sleeve has MIT decal om it. name on flap: "Burton Woodward" . $30
23.03.01.03
18.07.26.02
 K&E 4092-3 Log Log Duplex sn254635 1928 (has updated Cursor) brown leather sleeve No flap, with belt clip. LL0, A [ B, S, T, C ] LL3, LL2, LL1
K, DF [ CF, CIF, C ] D, L		 Very clean and white stock. Updated with K&E updated 1952 Cursor. Early Patent dates on lower stock. (no issued patent number). Etched Name on stock sleeve "Ralph L. Renner". $30
18.04.06.29
13.07.03.13
 K&E 4092-3 Log Log Duplex sn253168 (had missing Missing Cursor) LL0, A [ B, S, T, C ] LL3, LL2, LL1
K, DF [ CF, CIF, C ] D, L		 Updated with K&E New Improved Cursor. Early Patent dates on lower stock. (no issued patent number). Name on sleeve flap. $30
22.07.06.173
18.04.06.23
 K&E N4081-3 Log Log Duplex Decitrig sn486207 1950 Black Leather Sleeve LL01, K, A [ B, T Cot, ST, S Cos ] D, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Black Leather Sleeve, intact flap. 3-D cursor blocks. stocked aged. No markings.. braces shiny. Model number and patents on edge K&E logo. . $25
22.05.22.03
21.06.10.391
 K&E 4098A Ever-There pre1936 sn52454 A [ B, C ] D
5in [ S, L, T ] 13cm		 Metal bars. Brown leather sleeve. Excellent minimml warp. No markings.This is a fragile all-cellulose specimen, so it is in a bag with a cardboard reinforcment. $25
22.07.06.138
22.03.01.86
 K&E 4098A Ever-There pre1936 sn91680 A [ B, C ] D
5in [ S, L, T ] 13cm		 Plastic bars. Brown leather sleeve. Excellent minimml warp. No markings.This is a fragile all-cellulose specimen, it has the original box. $40
22.07.06.138
22.03.01.86
 K&E 4098A Ever-There pre1936 sn24982 A [ B, C ] D
5in [ S, L, T ] 13cm		 Plastic bars. Brown leather sleeve. Excellent no warp. No markings.This is a fragile all-cellulose specimen,. $40
24.07.04.xx
18.04.06.21
 K&E 4139 Cooke Radio Slide Rule sn293488
 L, DF [ CF, CIF, CI, C ] D, 2π
LC, A [ B, T Cot, ST, S Cos ] D, DI		 Sleeve has formula written on outside 40
24.07.04.4181-1.828
18.03.01.02
 K&E 4181-1 Duplex Decitrig, sn005828 blk K&E logo green pocket sleeve LL01, L, K, A [ B, T Cot, SRT, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Excellent condition. Green pocket sleeve. no clip $50
24.05.05.4181-1
18.03.01.02
 K&E 4181-1 Duplex Decitrig, sn452640 blk K&E logo green pocket sleeve LL01, L, K, A [ B, T Cot, SRT, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Excellent condition. Green pocket sleeve with clip.. $50
15.05.11.03
15.05.11.03
 K&E 4181-3 Log Log Duplex Decitrig sn024987 “Ivorite” Orange 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		 All plastic (trade name 'Ivorite') stock, plastic cursor lens. Name stamped om sleeve "Gene Defosse". Great condition. $30
22.07.06.187
17.08.24.07
 K&E 68-1251 Log Log Duplex Decitrig sn118349 “Ivorite” Orange 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		 All plastic (trade name 'Ivorite') stock, plastic cursor lens. No markings. stock shows wear.. $20
22.09.13.34
18.07.23.01
 K&E 68-1555 (was 9068) Doric Duplex c1946 sn049545 K, A [ B, ST, S ] D, T
DF [ CF, CI, C ] D, L		 orange leather sleeve. Clean slide rule $40
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
20.04.01.030
13.10.22.01
 K&E 9068 Doric Duplex c1946 sn 175205 K, A [ B, ST, S ] D, T
DF [ CF, CI, C ] D, L		 Brown leather sleeve. "Volvo" promo Clean slide rule $40
22.05.22.15
12.02.19.03
 K&E 68-1617 Polyphase sn101378 c1962-1975 Green Leather sleeve. 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 New design.Plastic and weood construction $20
22.05.22.15
12.02.19.03
 K&E 68-1617 Polyphase sn101378 c1962-1975 Green Leather sleeve. 10in // A [ B, CI, C ] D, K || 25cm
[ S, L, T ]
Equivalents		 New design.Plastic and weood construction $20

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Circular
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
23.07.14.03
11.05.16.01
 (Bruning) Gilson Midget Binary 4.25 Inch Dia, V1 and sleeve. C, CI, A, K, Log, LL1, LL2, LL3, LL4, Binary, Fraction, Drill, Thread, Millimeter
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions 		4.25 inch diameter, two sided binary slide rule, with 3 cursor arms. "Copyrighted 1931 and 1936". 1st version. slight tarnish on hub. Manual rebranded for Charles Bruning. $40
18.04.06.102
08.04.10.01
 Post (Gilson) Midget Binary 4.25 Inch Dia, V2, w/manual and sleeve. C, CI, A, K, Log, LL1, LL2, LL3, LL4, Binary, Fraction, Drill, Thread, Millimeter
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions 		4.25 inch diameter, two sided binary slide rule, with 3 cursor arms. "Copyrighted". 2nd version (Green disk). Clean hub. No Post Logo. W/ manual marked as Federick Post. $50
23.06.09.03
08.04.10.01
 Dietzgen 1797-M (Gilson) Midget Binary 4.25 Inch Dia, V2, w/manual in Box
 C, CI, A, K, Log, LL1, LL2, LL3, LL4, Binary, Fraction, Drill, Thread, Millimeter
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions 		4.25 inch diameter, two sided binary slide rule, with 3 cursor arms. "Copyrighted". 1st version (Tan disk) Tan sleeve. Clean hub. No Dietzgen Logo. W/ manual marked as Dietzgen. Name on sleeve: William Wetterstrand $60
22.07.06.208
22.04.11.01
 Gilson Binary 8 Inch Dia, V1, 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 1931, 1940". 1st version (Tan disk). no sleeve. Clean hub. Name on disk "E.W.Neuman." $70
17.06.14.02
17.06.14.01
 Bruning 68-471 (Gilson) Binary 8 Inch Dia, V3 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. $80
24.08.05.02
22.05.06.07
 Concise 300 Log Log Dual rotor 110cm Dia with manual K, A, D ( C, CI, B, L )
LL3, LL2, D ( C, S Cos, T1 Cot1, T2 Cot2, ST )		 Made in Japan by Concise - 110cm Dia red invers trig scales. no rebranding $45
13.00.00.86
12.06.24.02
 Concise 320 with Calendar 1960-1981 D ( C, CI, A, K)
Conversions		 Pocket size circular slide rule. Black sleeve with Manaula 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
24.07.06.02
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. White Sleeve Marinduque Promo . $25
24.05.31.01
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. Blue Sleeve printed with "chemistry is chool" . $25
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
22.10.14.11
13.08.27.03
 Concise CTCS-552 (1966) Sama&Etani Reference tables – Advertising: "Hooker" 4in || D ( C, CI, L, A, S, T, K) || 10cm
table of the Elements
Insert: Conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc		 Pocket size circular slide rule with conversion tables for Valve Engineers and others. Black Sleeve ("OXY" label" With manual.. $30
22.10.15.14
13.10.26.01
 Mascot Vest Pocket Slide Rule – 1934 7cm diameter circular in pounch w/ generic instructions copyright 1934 L, D ( C, CI )
S, A, K, T		 Cursor split at wrap (taped). Made or distributed by Tavella SalesInstructions (1.51MB PDF)
 $10

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Dietzgen
Accession #
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
22.07.06.132
12.01.10.02
 Dietzgen 1732 (V1 frameless) Maniphase Multiplex Trig Type Log Log Rule. sn530507 LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Good condition. Hard sleeve intact "N.D.Garett" Written under flap. $40
21.06.10.02
18.04.06.109
 Dietzgen 1735 Maniphase Multiplex Vector Type Log Log Rule. Version 1 all glass cursor no serial # LL0, LL00, A [ B, T Cot, ST, S Cos ] D, Th, Sh2, Sh1
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Good condition. Screws have some green corrosion (can be cleaned) . Original owner etched on upper stock Donald L. Ware. Leather sleeve missing flap. $50
23.05.18.23
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..Tan sleeve, ink stains. Conversion Inster included.. $15
14.12.09.01
14.09.21.07
 Dietzgen 1767P c1942 wood stock (Roos) A [ B, CI, C ] D, K
[ S, L, T ]		 Painted wood. WWII era. Paint chipped on right end. Thin film cursor (replica not original, made from a C-Thru SR) not the same as sample image. $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
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
20.04.01.176
09.01.12.122
 Dietzgen 1772A Pocket Redirule,in retail box Brown sleeve with manual K, A [ B, CI, C ] D, L
 All plastic duplex style construction. With Box. Brown leather sleeve. With Manua lNo markings Axcu-math design $30

TOP • Rarities • Pickett • Keuffel & Esser • Circular • Dietzgen • Hemmi • Asia-China • Ricoh-Japan • Aristo • Faber-Castell • Nestler • Misc Europe • Post • Acumath • Lawrence • Sterling • Misc USA • British • Aerospace • HOW TO ORDER

Hemmi
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
17.12.17.03
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
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
20.04.01.166
18.07.11.09
 Hughes-Owens 1762 MIOJ Pocket Manneheim c1947-1949 Leather sleeve 5in // A [ B, CI, C ] D, K
[ S, L, T ]		 clean with leather sleeve made in occupied japan $20
24.07.04.H-O_1777dcFE
18.12.30.01
 Hughes-Owens 1777 Versalog Duplex sn219925 dcFE, Black COS. Black sleeve. 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		 Nice. Black COS label. Early black Post Leather sleeve. Bright white stock. Hemmi OEM slide rule. Identical to Post 1460 Versalog. $70

TOP • Rarities • Pickett • Keuffel & Esser • Circular • Dietzgen • Hemmi • Asia-China • Ricoh-Japan • Aristo • Faber-Castell • Nestler • Misc Europe • Post • Acumath • Lawrence • Sterling • Misc USA • British • Aerospace • HOW TO ORDER

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

TOP • Rarities • Pickett • Keuffel & Esser • Circular • Dietzgen • Hemmi • Asia-China • Ricoh-Japan • Aristo • Faber-Castell • Nestler • Misc Europe • Post • Acumath • Lawrence • Sterling • Misc USA • British • Aerospace • HOW TO ORDER

Ricoh-Japan
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
09.01.12.138
18.09.17.24
 Lutz 102-s U.S. Dc O.S-2 S, K, A [ B,CI, C ] D, L, T
 Excellent. Brown leather sleeve.No markings $40
23.05.18.26
18.09.17.24
 Lutz 102 U.S. Dc P.S-1 S, K, A [ B,CI, C ] D, L, T
 Excellent. Brown leather sleeve.No markings $40
#275_Relay150
09.01.12.19
 Relay 150 / TL-214 Multilog DcI.S-3 LL0, LL00, A [ B, K, CI, C ] D, S, ST, T
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Red and Black cardboard hard sleeve. model number faded. Early cursor $40
23.05.18.27
12.05.06.01
 Lutz 252 U.S. Dc SS-10 K, A [ B, T1 Cot1, T2 Cot2, ST ST, S Cos, ] D, DI
DF [ CF, CIF, CI, C ] D, L		 Brown leather sleeve. “MPL 44” scratched on edge and brace $50
22.03.01.49
09.01.12.23
 Relay DT-1015 Trig Duplex dcH.S-1 K, A [ B, S, ST, T C ] D, DI
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Brown leather sleeve. Name on sleeve flap "C.Belivead WBTS", crossed out "D.Bottomly." $30
20.04.01.107
12.05.05.01
 Jakar 523A Pocket with engineering aid insert 13cm // A [ B, CI, C ] D, K | |5in
[ S, L, T ]		 excellent. padded black sleeve with “S.M. Group Eckington 2324” printed promo. $15
20.04.01.196
09.01.12.04
 Compass 505 Pocket with leather sleeve 13cm // A [ B, CI, C ] D, K || 5in
[ S, L, T ]		 Good. Brown leather sleeve $15
20.04.01.418
09.01.12.134
 Generic Basic pocket mannheim trig with convex lens A [ B, CI, C ] D, K
[ S, L, T ]		 Good. Brown leather sleeve. Stamped Japan. Struthers-Dunn, iNc promo. $10
20.04.01.128
19.09.26.01
 Sankyo Basic pocket mannheim Trig with convex lens A [ B, CI, C ] D, K
[ S, L, T ]		 Excellent. Blue sleeve. Stamped Japan. Different SLT window configuration. Bourne Promo. $10

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

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Faber-Castell
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
22.09.13.39
20.04.01.015
 Faber-Castell 63/91/338/A Rietz Pocket dc37-3 (1937) 5in // K [ B, C ] D
[ S, L, T ]		 Leather sleeve. Thin folded plastic lens. $20
20.04.01.301
20.04.10.279
 Faber-Castell 73/39 10cm pocket c1936 10cm // A [ B, C ] D short 10cm Leather sleeve, Hans Weinmann, munchen promo $20
18.04.06.022
13.06.28.03
 Faber-Castell 67/87 Rietz Pocket dc5xx (?) 5in // K, A [ B, CI, C ] D, L
[ S, ST, T ]		 Excellent. Leather sleeve. American Airlines logo $20
22.03.01.52
20.01.20.01
 Faber-Castell 67/22R Disponent with Addiator dc6x2 (?) 14cm // +/-%, DF(Cap./Int) [ CF(Dias), CI(p%), C(Dias) ] D (Int.)
[Sh/d, PoundSterling]		 Excellent. Green Leather sleeve. no stlylus $40

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

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Misc. Europe
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
24.05.05.47
24.05.05.46
Fisher Controls Ventil Rechenschieber Mark VI, Elliot Automation 1968, in German. IWA05136 Metric units for pressure, temperature, flow, etc Good. All plastic $20
20.04.01.342
22.03.01.101
X-Act No.222P 11cm/4-in Pocket slide rule from Denmark 1/2-inch, 0-11cm, 0-4in // K, A[ B, CI, C ] D, L
[ S, ST, T ] Equivalenst		 Excellent. Much better than the archive example. Metal mounted lens. green box, Brown leather sleeve. Has "FK" in hexagon logo. $20
18.12.08.03
14.01.03.02
Diwa No 301 Reitz dc14 (Jan 1954) A [ B, CI, C ] D
[ S, S&T, T ]		 Excellent. Leather sleeve. Has smudges from use. $15
20.04.01.053
22.03.01.100
 UTO No 601 Hoffman, Pocket Rietz. V1 Metal Cursor Leather sleeve, box 5in // A [ B, CI, C ] D, L
[ S, S&T, T ]		 Excellent. Leather sleeve. Has "National Castings Company". Promo embossed lettering. $15
14.07.03.72
14.01.10.05
 UTO No 601 Hoffman, Pocket Rietz. Leather sleeve 5in // A [ B, CI, C ] D, L
[ S, S&T, T ]		 Excellent. Leather sleeve. Has Buffalo Forge Promo embossed lettering. $15
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
21.08.07.13
14.10.15.06
 Diwa No 601-1, Pocket Mannheim. Leather sleeve 4.5in, 11cm // K, A [ B, CI, C ] D, L
[ S, S&T, T ]		 Good. Leather sleeve. Fluidgenics Promo embossed lettering. Black sleeve. $15
22.07.06.127
09.01.12.131
 Graphoplex Koh-I-Noor 10020 Techni-Math/td> 10 in // P, K, A, DF [ CF, L, CI, C ] D, S Cos, SRT, T, Cot Made in France. Excellent. in Red hard plastic case $40
20.04.01.325 to be scanned MSZ Losztalvu 4617-57 Logar made in Hungary K, A [ B, CI, C ] D, L
Sin, sin&Tg, Tan		 Soviet era Gost standard $15
20.04.01.283
18.07.11.10
 Dr. Ing. Seehas A [ B, C ] D Thin film cursor $10
20.04.01.016
14.10.15.06
 Diwa 601-1 Pocket 5in // K, A [ B, CI, C ] D, L
[ S, ST, T ]		 Excellent. Leather sleeve. Consarc Power Corp. Promo $10
20.04.01.017
20.04.01.368
 Ecobra 1461 Reitz Painted aluminum stock K, A [ B, R, C ] D, lg
5in [ sin, tg ]		 Brown leather sleeve. A couple chips on the edge. “Pinturas Vencedor” Promo $25
20.04.01.017
20.04.01.381
 Ecobra 1260 Reitz All- aluminum stock 14cm // A [ B, C ] D
[ S, L, T ]		 Tan sleeve. $50
20.04.01.174
09.01.12.111
 Logarex 27103 Rietz Duplex K, A [ B, CI, C ] D, log
4in, Ωmm2/m [ S, T] Constants, 10cm		 Multilined cursor. Tan leather sleeve $20
22.01.01.107
22.03.01.106
 Reiss DDR Pocket Darmstadt,Multilined cursor 15cm // K, A DF [ CF, CIF, CI, C ] D, P, S, T
[ LL1, LL2, LL3, L]		 Tan sleeve, very nice $30

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Post
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
21.05.31.02
17.12.17.13
 Post 1441 dcRK 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 missing female side of snap. Excellent.1967 $30
22.03.01.73
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. Red labels fading. $20
20.04.01.170
12.02.12.02
 Post 1444-P Pocket Made by Bruning 12.5cm // A [ B, CI, C ] D, K \\ 5in
[S, L, T ]		 Brown sleeve with Post logo. No Post brand on slide rule. Different from bruning 2401 as they swapped inch/cm scale on edges for Post. $15
18.04.06.57
14.07.02.79
 Post 1444K Commerce, 5 inch pocket Mannheim, Brown leather pocket sleeve. C1940 5in // A [ B, CI, C ] D, K
[ S, L. T ]		 Pocket slide rule made in USA by Hemmi, rebranded for POST. Has what's left of retail box $30
22.07.06.198
09.01.12.41
 Post 1445 8-inch Mannheim dcOK Nov 1964 K, DF [ CF, CI, C ] D, A
[ TI, L, SI ]		 No sleeve. $15
14.01.10.28
11.12.15.02
 Post 1446 Mannheim pre WWII A [ B, CI, C ] D
[ S, L. T ]		 Black Cardboard sleeve. No cursor $5
14.07.03.38
11.12.15.02
 Post 1446 Mannheim 1936 pre WWII A [ B, CI, C ] D, K
[ S, L. T ]		 Black Cardboard sleeve. No back equivalents label. $10
23.06.09.03
11.12.15.02
 Post 1446 Mannheim pre WWII A [ B, CI, C ] D, K
[ S, L. T ]		 Black Cardboard sleeve Open on end. Back equivalents label Faded.. $10
22.10.13.16
11.12.15.02
 Post 1446 Mannheim pre WWII A [ B, CI, C ] D
[ S, L. T ]		 Black Cardboard sleeve. Sleeve mismarked as 1449 $15
18..09.17.30
11.12.15.02
 Post 1446 Mannheim pre WWII A [ B, CI, C ] D
[ 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
18.09.17.33
04.04.22.02
 Post 1447 Mannheim dcGL Dec 1956 With Post logo A [ B, CI, C ] D, K
[ S, L. T ]		 Popular entry level slide rule. Red Cardboard sleeve. $10
22.07.06.193
14.07.04.01
 Post 1450 Versatrig dcMD (1962) L, A [ T T, SecT ST, Cos S, C ] D, DI
K, DF [ CF, CIF, CI, C ] D, R1, R2		 Excellent. Black leather sleeve (tight). OEM Hemmi bamboo slide rule. "D.O.G.S." scrathed on edge of stock (not the face). $30
22.07.06.195
14.07.04.01
 Post 1450 Versatrig dcVH (1971) L, A [ T T, SecT ST, Cos S, C ] D, DI
K, DF [ CF, CIF, CI, C ] D, R1, R2		 Excellent. Black leather sleeve (tight). OEM Hemmi bamboo slide rule. No markings. $30
22.07.06.196
14.07.04.01
 Post 1450 Versatrig dcQI (sep 1966) no sleeve, L, A [ T T, SecT ST, Cos S, C ] D, DI
K, DF [ CF, CIF, CI, C ] D, R1, R2		 Excellent. no sleeve . OEM Hemmi bamboo slide rule. Hole drilled in stock, for a demonstration stand $20
22.07.06.197
14.07.04.01
 Post 1450 Versatrig dcUF (jul 1970) no sleeve, L, A [ T T, SecT ST, Cos S, C ] D, DI
K, DF [ CF, CIF, CI, C ] D, R1, R2		 Excellent. no sleeve OEM Hemmi bamboo slide rule. Hole drilled in stock, for a demonstration stand $20
23.05.18.17
14.07.04.01
 Post 1450 Versatrig dcUH (Aug 1970) Naugahyde sleeve, L, A [ T T, SecT ST, Cos S, C ] D, DI
K, DF [ CF, CIF, CI, C ] D, R1, R2		 Excellent.OEM Hemmi bamboo slide rule Naugahyde $25
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 $30
11.10.25.04
13.10.22.02
 Post 1460 Versalog Duplex No SN dcFH Aug1955, 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 integrated Belt Loop. shows wear. Faded white stock. Hemmi OEM slide rule. Name inside sleeve $50
22.10.14.03
13.10.22.02
 Post 1460 Versalog Duplex No SN dcDD 1953, 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 integrated Belt Loop. shows wear. Faded white stock. Hemmi OEM slide rule $50
23.06.09.01
13.10.22.02
 Post 1460 Versalog Duplex sn124602 dcKL Dec 1960, 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 missing flap. $50
18.04.06.59
13.10.22.02
 Post 1460 Versalog Duplex No SN dcGE 1956, 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
22.05.06.19
18.12.30.01
 Post 1460 Versalog Duplex sn219925 dcLG, Green COS Leather sleeve. 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		 Nice. Green COS label. Leather sleeve. name in label insert (Capt. Blackburn). Bright white stock. Hemmi OEM slide rule $80
20.01.25.01
18.12.30.01
 Post 1460 Versalog Duplex sn402322 dcNA Jan1963, Green COS Leather sleeve. 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		 Nice. Green COS label. Leather sleeve with belt loop Name under flap. Bright white stock. Hemmi OEM slide rule $80
22.07.06.159
19.10.23.01
 Post 1460 Versalog Duplex sn628017, dcOI Sep1964 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		 Green COS label. Brown Leather sleeve. belt loop. Wear from being worn. Crossed-out markings in flap $50
24.05.05.10
19.10.23.01
 Post 1460 Versalog Duplex sn820934, dcRF (June 1967) Leather sleeve in retail box 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		 Perfect. no markings. Green COS label. Brown Leather sleeve with belt loop.. $85
24.05.05.11
19.10.23.01
 Post 1460 Versalog Duplex sn820934, dcRE (May 1967) Leather sleeve in retail box 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		 very good. Green COS label. Brown Leather sleeve with belt loop. name lightly scratched on one metal brace. no markings on sleeve. $75
22.07.06.161
19.10.23.01
 Post 1460 Versalog Duplex sn843378, no dc (c1969) 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		 Green COS label. Brown Leather sleeve. belt loop. Wear from being worn. Plastic Lens, Crossed-out markings in flap Name in Window: "Don Thompson, GA Tech, Atlanta" $50
22.03.01.50
18.12.30.01
 Post 1460 Versalog sn403374 dcNC (march 1963) green COS one cracked glass (restored). Tarnished braces. Black sleeve. 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		 Nice. Green COS label. Leather sleeve. No Markings. Tarnished metal pieces./td> $30
21.08.04.02
18.03.01.01
 Post 1460 Versalog sn223775 dcFF 1955 Black Cos 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		 clean cursor frame and braces Leather sleeve w/belt loop. Flap has Art Anderson inside. $50
23.07.18.04
18.12.30.01
 Post 1460 Versalog sn216279 dcLF 1961 Green Cos 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		 clean cursor frame and braces Leather sleeve w/belt loop. Flap has Mike Grady inside. $50
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
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		 Metal braces, laminated mahagony. Name on sleeve flap (McConnell). Made in USA $20
23.05.18.15
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.name on flap Lt.Col. J.?. Knight Jr.. $25
22.04.07.01
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 $25
22.07.06.190
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 leatherette sleeve in red box. $30
22.07.06.191
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), bright white braces. Black leather sleeve. Red scales beginning to fade $30
22.07.06.192
14.01.10.12
 Post 1462H Postig Duplex Log Log Deci Trig, c1950 (Made In Occupied Japan by Hemmi), . LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
T, DF [ CF, CIF, CI, C ] D, S, T		 (Made by Hemmi), laminated bamboo. Brown leather sleeve. missing three M1.6 x 5mm screws $30

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Acumath
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
23.05.18.32
15.04.17.02
 Acu-math 900 - Professional Mannheim Trig - c1955 red oval logo K, A [ B, T Cot, ST, S Cos] D, DI, L
Conversions, DF [ CF, CIF, CI, C ] D, Conversions, con't.		 Machined Plastic duplex, red oval logo, Red ink is smearin like the reference image. rounded corners, metal braces. Sewed tan leather sleeve $20
23.05.18.33
16.06.02.03
 Acu-math 500 - Simplex Trig - 1960 S, K, A [ B, CI, C ] D, L, T
Conversion Table [Fraction=Decimal] Trig properties		 Machined Plastic duplex, black oval logo, rounded corners, metal braces. Molded plastic cursor. Sewed tan leather sleeve $15
15.05.12.05
16.06.02.04
 Acu-Math 1211 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
19.04.01.14
20.01.03.05
 Acu-Math 1240 – c1965, brown leather sleeve K, A [ B, CI, C ] D, L
Back is blank		 Plastic one sided duplex. Excellent. Brown leather sleeve Modern Logo $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. Single-sided cursor, Tan naugahyde sleeve. Rusty screw heads and rivets $20
23.05.18.31
22.07.06.53
 Acu-Math 1311 Log Log Decitrig all-metal, red oval logo 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.b Tan sleeve. slight $25
11.11.17.05
21.08.07.30
 Acu-Math 500 trig, metal braces, 1960 S, K, A [ B, CI, C ] D, L, T
Conversion table [Fraction=Decimal] Conversion table		 Metal braces. No oval logo. Tan leatherette sleeve $20
21.11.03.06
18.07.11.12
 Festus Acu-Rule No. 10-D magnifying cursor 1938 - Rare red sleeve 10in // A [ B, CI, C ] D, K || 25cm Printed on white painted on wood stock. Bevel has paper scales glued to stock and paper equivalent label glued on back $30

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Lawrence
Accession #
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
21.11.03.07
12.04.03.01
 Lawrence 8-B 8” Mannheim, Wabash, Ind. NIB A [ B, CI, C ] D, K
Conversion Chart		 All wood, Blue ink text. Original sleeve. $20
20.08.15.30
12.03.21.05
 Lawrence Engineering Services 250-BT, 611 on slide. 10” Mannheim, Peru Indiana 1947 A [ B, CI, C ] D, K
Conversion Chart		 White painted wood on front, red ink on plain wood on back. #611 on slide. $20
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
15.06.22.04
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
20.04.01.226
15.03.19.01
 Draft-A-Plan 5-B “Learner” 5” slide rule, (Lawrence) A [ B, CI, C ] D, K Included in Draft-A-Plan set for teens $25

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Sterling
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
20.08.15.17
11.11.11.04
 Sterling 589 Senior, Red Text on slide A [ B, CI, C ] D, K
[ S, L, T ]		 White plastic, 5 bridges on stock. Red text on slide. Plastic slightly soiled. $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
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

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MiscUSA
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
24.07.04.45
20.08.24.01
 Gerber Scientific No TP007100B, Variable Scale Scales (23.5 cm): R1, I, L10 In padded leather box. $80
24.07.04.44
24.07.04.44
 Gerber Scientific No TP007200B, Variable Scale 20 inch Scales (47 cm): R1, R2 In padded leather box. $200
22.07.06.126
22.07.06.50
 American Blueprint Co. NY. Military Slide Rule, Version 2 with Distance Opposite Angle Deg, Mils [Apex Angle) Mils, Deg, CI,C (Base)] D (Distance),A
[Tan, Sin-Tan, Tan ]
Geometry formulae		 Mahogony stock supporting plastic scales. Brown leather sleeve $50
24.07.04.05
24.05.05.42
 Park Instrument Co. (Grafton Plastics - same as Charles Bruning 2420) leather sleeve 10inch // A [ B, CI, C ] D, K \\ 25cm
[S, L, T ]		 All-plastic. Leather sleeve. $20
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) Macine Tool promo $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
20.04.01.100
14.07.02.07
 Charles Bruning 2401/68-540 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 (ESSO.) $20
20.04.01.010
14.07.02.07
 Charles Bruning 2401/68-540 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 no promo $20
18.03.20.07
11.11.11.05
 Foxboro Valve Sizing and Calculations Slide Rule Sizing control valves usually involved solving for the valve's Cv based on flow rate, flowing temperature, specific gravity, and upstream and downstream pressures. Riveted plastic stock with wrap-around cursor, Black sleeve. Excellent $25
21.04.07.05
13.10.07.07
 Charvoz-Roos SR-111 Trig-O-Log L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
LL0, LL00, A [ B, K, CI, C ] S, ST, T		 Red scales and labels faded. Metal braces. Fully functional $30
22.03.01.47
13.10.07.07
 Charvoz-Roos SR-111 Trig-O-Log L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2
LL0, LL00, A [ B, K, CI, C ] S, ST, T		 Red scales and labels faded. Metal braces tarnished. Fully functional $20
21.07.24.02
13.07.03.01
 Acu-Math 130 Log Log Decimal Trig Magnesium with finger pocket on slide. LL00, LL00, K, A [ B, K, CI, C ] D,S, ST, T
L, LL, DF [ CF, CIF, CI, C ] D, LL3, LL2		 magnesium duplex, rounded corners, metal braces. brown alligator skin Naugahyde sleeve. Replica 3D cursor block. Name on label in window "A.C. Abbot". $40
18.12.15.01 image to be scan Fenwall Electronics 6300A Themistor data and curve computer (Perrygraph) slide chart 12+ Multiple scales in this 6” x 9” slide chart $10
20.04.01.347
20.04.01.385
 Master Electric Pocket 5in // A [ B, C ] D
13cm [ S, L, T ] Back Advertising: Master Electric Motors		 Good. Back Advertising: Master Electric Motors, Leather Sleeve. $15
20.04.01.084
20.04.01.249
 Guedon Metal Pocket 1943 V2 A [ B, CI, C ] D
5in(fractions) 125mm		 All-metal. Good condition c.1943 $20
20.04.01.181
11.12.03.01
 Lietz 2971-N (Hemmi post WWII version) 5 in // A [ B, CI, C ] D
[ S, L, T ]		 c1950 post WWII version made by Hemmi. Fair leather sleeve. Slide rule is good. $20
23.05.18.19
20.04.01.428
 Charles Bruning 2398 dual-faced 5-inch duplex, leather sleeve.w/manual In box K, A [ B, ST, S ] D, T
DF [ CF, CI, C ] D, L		 All-plastic. Newer cursor. Leather sleeve. w/manual, Name scratched on stock. W/Box SKF promo on sleeve. $30
22.05.06.39
22.05.06.37
 CENCO No72356 Central Scientific Co. Plastic Slide Rule 6in || A [ B, CI, C ] D, || 15.3cm
S, L, T 		Thin film design. Made by Parisian Novelty. . $5
22.05.06.40
22.05.06.37
 CENCO No72356 Central Scientific Co. Plastic Slide Rule 6in || A [ B, CI, C ] D, || 15.3cm
S, L, T 		Thin film design. Made by Parisian Novelty. . $5
21.12.19.01
21.01.19.01
 Weber 4288 Pickworth (Nestler Rietz) 10In // A [ B, CI, C ] D, K || 27.5
S, S&T, T 		Stock chipped on two cormers, but does not affect reading scales. Great 3 hairline cursor. $30
12.03.16.01
12.03.16.04
 Midget Adding Machine addition and subtraction Ve-Po-Ad variant, In in Cardboard Folder,Missing Stylus $20

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British
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
18.12.30.02
14.02.10.04
 British Thornton P271 Log Log LL2, LL3, L, A [ B, CI, ISd/Sd, /I, 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
20.04.01.125
09.01.12.100
 Blundell-Harling S143-20 Pocket K, A [ B, CI, C ] D, L Duplex form, but only one sided with sleeve GEC Measurements promo ad on back and sleeve. $15
20.04.01.152
P020
Unique Pocket all-wood A [ B, CI, C ] D, K stained from storage in sleeve $10
20.04.01.093
P020
Unique Pocket all-wood A [ B, CI, C ] D, K stained $15
20.04.01.273
20.04.01.220
 Boots Ringplan “Standard” Germany 14 cm // K, A [ B, CI, C ] D, L \\ 5in
[ S, ST, T ]		 Plastic sleeve w/manual. Green accents. Made in Germany $15
20.04.01.197
17.05.02.06
 W.H. Smith Simplified Rietz Pocket K, A [ B, CI, C ] D, L Duplex style construction $35
20.04.01.387 To be scanned B.R.L. S100 A [ B, C ] D SADIA Hot Water Heater promo box TBD
22.03.01.43
20.08.07.02
 Unique Universal I LU, S, A [ B, R(CI), C ] D, T, LL
Back: Trig Identities		 Good $20

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Military/Aerospace
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
04.09.30.03
22.07.06.39
 Eckel Precision Scale USAF Type A-1 Aerial Photo - c1950 - Made in USA for Astrodyne L, A, DF [ CF, CIF, T, S, C ] D, DI, K
Ground Size, Ground Speed, [Image size, Cycling Time, Focal Length ] Altitude		 Perfect. Aluminum no sleeve by Precision Scale Co. (founded by Art Eckel, the other half of Pickett and Eckel). BlackPlastic and rubber sleeve $150
22.09.20.23
22.07.06.39
 Jeppesen CR-2 Computer 1955 4-inch dia Distance Naut Miles, True Air Speed (Time Min, Hrs, Density Altitude, Air Temp )
Wind Correction Angle( True Heading )		 All plastic disk.for pilots. Green and transparent plastic sleeve $10
22.07.06.41
22.07.06.39
 Jeppesen CR-2 Computer 1955 4-inch dia Distance Naut Miles, True Air Speed (Time Min, Hrs, Density Altitude, Air Temp )
Wind Correction Angle( True Heading )		 All plastic disk.for pilots. Brown Faux leather sleeve $10
22.09.13.52
22.09.20.22
 Jeppesen CR-5 Computer 1955 3.75-inch dia Distance Naut Miles, True Air Speed (Time Min, Hrs, Density Altitude, Air Temp )
Wind Correction Angle( True Heading )		 All plastic disk.for pilots. Brown Faux leather sleeve $10
22.07.06.108
22.07.06.19
 Kane Aero MK-6B Dead Reckoning Computer 1957 w/ wind slide Distance Naut Miles, True Air Speed (Time Min, Hrs, Density Altitude, Air Temp )
Wind Correction Angle( True Heading )		 All bright aluminum plastic disk.for pilots. Brown Faux leather sleeve $20

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How To Order - Buying and Shipping

  • Click on the comparable image or its accession number to see the matching slide rule in the ISRM archives.
  • The one selected and the one you will receive is a duplicate of this image, and in most cases is in better condition (exceptions noted).
  • Description of NOS = New Old Stock or NIB = New In Box.
  • If you desire an original manual (as available) include an extra $10. It may not be the exact model year.
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  • A single slide rule costs $8 to ship. 5 slide rules cost $12. Shipping will be combined .Currently USPS is wanting $16 for a Priority Mail medium Flat Rate box.(holds up to 20 slide rules without sleeves).
  • Make a reasonable offer. Most suggested fees are based on averaging past ebay prices over the last two years..
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International Slide Rule Museum