Current List of ISRM Duplicate Slide Rules For Sale

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

  • 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.
  • If you want a photo of your selected slide rule before ordering, send us an email or we can text it to your phone.
  • When you make a paypal donation, list the Accession #s of the items you want..
  • For every $100 gifted select a $10 slide rule from the list to throw in the stack for free.
  • 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 20 slide rules).
  • Make a reasonable offer. Most suggested fees are based on averaging past ebay prices over the last two years..
  • All proceeds go to supporting ISRM.
  • You can deduct your monetary gift that is in excess above the recommended fee on your U.S. taxes.
  • Satisfaction guaranteed.

The Secure Donations button allows you to direct your donation to the following ISRM programs.

  • Slide Rule Adoption Fees
  • Gift from Friends of the Museum
  • Free File Downloads Gratuity
  • Cash Gift - New ISRM Friend
  • School Loaner Program Support

Use the secure button, and include a donation for shipping costs List the items by ISRM reference #. in the message to curator.

Other Items for Sale at ISRM:

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

Pickett
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
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
22.07.06.199
11.08.23.01
 Pickett N3-ES Pocket Powerlog Exponential Log Log Dual Base 1964-69 &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 Good. small Curved braces, convex lens, modern logo. Maroon leather sleeve. Adhesive on back of sleeve. small defect on Ln/L scale at 2 mark. Name "Robert Ethan" in flap $50
14.07.02.64
23.07.14.03 		Pickett N4-ES Log Log Vector Hyperbolic Dual-Base Speed rule 1959 LL1+.00D/-.00D, LL2+.0D/-.0D, DF/m [ CF/m, TH, SH, Ln, L, CI, C ] D, LL3+.D/-.D, LL4+D./-D.
3&rad; #1, 3&rad; #2, 3&rad; #3, DF [ CF, CIF, T1, T2, ST, S Cos, CI, C ] D, DI, &rad; #1, &rad; #2		 Excellent. All black text, (< symbol on Inverse scales), Square braces, flat lens, nylon bars, slotted stock, round black logo. Brown leather sleeve "R.C. Smith" on Flap. Some KGMS conversions on paper sticker on sleeve. $60
20.08.15.03
23.07.14.03 		Pickett N4-ES Log Log Vector Hyperbolic Dual-Base Speed rule 1959 LL1+.00D/-.00D, LL2+.0D/-.0D, DF/m [ CF/m, TH, SH, Ln, L, CI, C ] D, LL3+.D/-.D, LL4+D./-D.
3&rad; #1, 3&rad; #2, 3&rad; #3, DF [ CF, CIF, T1, T2, ST, S Cos, CI, C ] D, DI, &rad; #1, &rad; #2		 Excellent. All black text, (< symbol on Inverse scales), Square braces, flat lens (Reno w/no ribs), nylon bars, round black logo."Ray Durney (in sleeve flap) Matawan, N.J.". $60
17.08.24.12
23.07.14.03 		Pickett N4-ES Log Log Vector Hyperbolic Dual-Base Speed rule 1959 LL1+.00D/-.00D, LL2+.0D/-.0D, DF/m [ CF/m, TH, SH, Ln, L, CI, C ] D, LL3+.D/-.D, LL4+D./-D.
3&rad; #1, 3&rad; #2, 3&rad; #3, DF [ CF, CIF, T1, T2, ST, S Cos, CI, C ] D, DI, &rad; #1, &rad; #2		 Excellent. All black text, (< symbol on Inverse scales), Square braces, flat lens, nylon bars, slotted stock, round black logo. Brown leather sleeve "R.C. Smith" on Flap. Some KGMS conversions on paper sticker on sleeve. $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
14.07.03.42
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
21.08.07.26
17.08.24.21
 Pickett Microline 140-ES Expanded Log Log Version 1
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 marked with "<". No Markings $20
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
21.08.07.26
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
19.10.27.18
09.10.21.03
 Pickett Microline 160-T Pocket SR Black sleeve K, A [ B, CI, C ] D, L Made in USA - All scales Black. No Markings first version Black sewn sleeve. $15
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
14.07.02.69
22.02.17.02
 Pickett N-500-T Hi Log Log Black Leather 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		 Nice. Black Leather sleeve, round black logo red inverse scales. Flat lens. Curved braces. No Markings $30.00
23.05.18.11
09.01.12.63
 Pickett N-500-T Hi Log Log Black Naugahyde 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		 Nice. Black Naugahyder sleeve, Modern logo red inverse scales. Convex lens. Curved braces. Name of flap $25.00
22.10.13.20
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, Very Good, no Markings. Sleeve missing D-ring. $65
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, Curved Braces,Very Good, no Markings $70
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 $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
22.07.06.122
10.12.12.03
 Pickett N-515-T Electronic CIE Logo, Burnt orange 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, .Potter" on sleeve flap. $70
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
22.08.03.01
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
21.08.07.22
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
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
22.07.06.110
12.06.24.50
 Pickett N-531-ES Capitol Radio Engineering Institute - 1962, 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. convex lens. Sleeve has Modern logo logo. Name "Charles Siebenga, Manhattan, Montana" on inside of flap. $50
22.05.06.32
22.05.06.02
 Pickett N600-ES - Log Log Synchro-Scale – Tan Leather clip 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		 Pristine - square braces, nylon bars and flat cursor lens. All black text. Round black logo. $80
22.07.06.136
11.04.09.01
 Pickett N600-ES - Log Log Synchro-Scale – 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 - Curved braces, Round black logo, nylon bars and flat cursor lens. Red and black text.Brown Leather sleeve $80
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 rounded steel braces, metal bars and flat cursor lens. slotted slide. All black text. $30
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
22.03.01.35
20.01.03.01
 Pickett 803-T - Dual Base Log Log Standard Range 1959 Brown 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 - Square braces, Round Black Logo, Flat cursor lens. All black text. $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
22.05.06.11
17.12.17.20
 Pickett 902 Simplex Trig Early Magnesium Version sn3D01282 K, A [ B, S Cos, T Cot, CI, C ] D, L
Equivalents and instructions		 Nice, no chips or corrosion. Rounded braces, flat lens, early scale set, no CI scale, triangle logo. Grooved stock. brown sleeve $30
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
12.06.24.48
10.12.12.07
 Pickett N902-T Simplex Trig black Leatherette sleeve K, A [ B, T Cot, S Cos, CI, C ] D, L
Equivalents and instructions		 Made in USA – Convex lens, Round Black Logo, Flat lens . Square braces $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 – Convex lens, Modern Logo,. Curved braces scales slightly faded. $10
21.06.10.27
12.06.18.05
 Pickett & Eckel 1000 Orthophase. Magnesium snA145818 version 2. cloth sleeve A [ B, T Cot , ST, S Cos] D, K (artwork 26)
DF [ CF, CIF, CI, C ] D, L(artwork 27)		 Triangle logo, circles around inverse numbers. magnesium, metal cursor bars, flat lens. $40
22.10.15.06
18.09.17.08
 Pickett & Eckel 1000 Orthophase. Magnesium sn5F1277 version 3.Leather sleeve A [ B, T Cot , ST, S Cos] D, K (artwork 261)
DF [ CF, CIF, CI, C ] D, L (Artwork 271)		 Triangle logo, magnesium, metal cursor bars, flat lens. edge of scale by curso block has small chips just like the reference model. Early Leather sleeve with belt loop.. It is not recommended to store magnesium models in the sleeves. ISRM proved ziplock bags. $40
22.07.06,113
18.04.06.44
 Pickett 1010, Early Magnesium, SN 09B4434 round braces A, [B, ST, T  Cot, S Cos, C] D, K
DF [ CF, CIF, CI, C ] D, 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
22.07.06.142
09.01.12.65
 Pickett 1006 Duplerx Trig magnesium Brown Leather sleeve K, A [ B, ST, T Cot, S Cos, C ] D, DI
DF [ CF, CIF, CI, C ] D, L		 Made in USA - Stamped round braces, Early triangle logo, metal bars and flat cursor lens. Black text.Brown Leather sleeve $50
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
23.05.18.34
14.01.10.42
 Pickett 1010 Trig Duplex, 1948 sn3D002258 early Thick aluminum. 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 – metal bar cursor, Triangle logo logo, rounded braces, flat lens. $30
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 $30
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
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
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 $60
13.00.00.68
13.00.00.67
 Pickett 1025 Associated Spring Design P/f or M/T [ S, KT, D (Dia O.D. coil), D/d, ■ ● ] d (dia O.D. wire)
P or M [ N (number of coils), DT, G, E, D, ■ ● ] d		 Rounded braces, metal cursor bars, flat lens. Round black logo. Inked name on stock J.A. McGrail on sleeve $100

Keuffel & Esser

Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
13.00.00.92
04.06.15.01
 K&E Military 20" Short Base Triangulation (Artillery) Slide Rule U.S. Army 1935-1941. Aux Angle "A", Mils [ Vertex Angle "t" mils, base "b" ] Range "R"
[ Vertex Angle "t" mils, base "b" ]		 perfect - Single hairline cursor. no sleeve. $180
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
22.07.06.172
13.06.25.07
 K&E 4053-3 Polyphase, New Design 1958 sn215366, 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. $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
20.09.18.04
13.02.20.09
 K&E 4053-5 Polyphase Lot 21 c1915 Brown Leather Sleeve with flap 20in // A [ B, CI, C ] D || K
[ S, L, T ]
Equivalents Label		 Side K Scale, Scale labels on right end of stock. All glass cursor, no names on sleeve. One end of inch scale chipped off. Excellent. Cursor does not have original hairline. $80
13.00.00.93
13.01.09.02
 K&E N4053-5 20" Polyphase Mannheim sn945977 , 1955 black leather sleeve 20in // A [ B, CI, C ] D || 50cm
[ S, L, T ]
Equivalents Label		 Excellent. Side cm Scale, Scale labels on left end of stock. NIC, Modern K&E logo.. $80
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
22.05.22.11
13.01.09.02
 K&E N4053-5 20” Polyphase Mannheim sn684508 (1938) New improved Cursor. Leather sleeve. 10in // A [ B, CI, C ] D, K || 50cm
[ S, L, T ]
Equivalents Label		 New Design w/K&E logo. New Improved Cursor. No written Markings. Excellent condition. Black Leather sleeve, Slight shipping premium needed because of length. $60
22.05.22.09
13.01.09.02
 K&E N4053-5 20” Polyphase Mannheim sn556780 (1936) 1st year of New improved Cursor. no sleeve. 10in // A [ B, CI, C ] D, K || 50cm
[ S, L, T ]
Equivalents Label		 New Design w/K&E logo. 1st year of New Improved Cursor. No written Markings. Excellent condition. No sleeve, Slight shipping premium needed because of length. $50
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
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
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
21.08.07.08
21.08.07.09
 K&E 4070-3 Polyphase Trig duplex sn285379 Black box sleeve NIC Standard trig scales (6,12 divisions/degree)
K, A [ B, T Cot, ST, S Cos] D, DI
DF [ CF, CIF, CI, C ] D, L		 No marks on rule or sleeve. New Improved Cursor $40
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
22.07.06.164
18.04.06.30
 K&E 4071-3 Polyphase Duplex DeciTrig sn252261 Green leather sleeve Standard trig scales (decimal degrees)
K, A [ B, T Cot, ST, S Cos] D, DI
DF [ CF, CIF, CI, C ] D, L		 Laminated mahogany edges. Slight tarnish on braces/ cursor intact. Sleeve intact but tight fit $25
22.07.06.174
12.08.25.01
 K&E 4080-3 Log Log Duplex Trig sn811502 1940 Brown Leather Sleeve w/metal ring LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Nice, (Reference slide rule is not as good), No K&E logo. 1939-1947 scale set Red LL0 & LL00.Cursor blocks restored w/3-D parts.. Intact sleeve. W.E. Earle etched on brace and sleeve.Most likely this is from Annapolis.. $30
22.07.06.81
23.07.14.01
 K&E 4080-3 Log Log Duplex Trig sn059302 1944 Black hard Sleeve, Retail box 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..original cursor with K&E labeling. Intact black hard sleeve. No markings on sleeve. $50
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
22.05.22.17
22.07.25.01
 K&E 4081-3 Log Log Duplex Decitrig sn7055606 1938. Pats. 1,488,686; 1,930,852; Pat.Pend., 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. ISRM Cursor blocks. Bright metal Braces and frames, Clean stock. Excellent. Sleeve intact, but flap is beginning to tear.. "John Dummaniun" inside flap. $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
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. $25
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". $25
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. original NIC. Shiny braces. No Name on sleeve, Sleeve has cracks from dyness. $25
23.07.18.06
10.03.01.01
 K&E 4081-3 Log Log Duplex Decitrig sn059231 1956 (1956 scale set SRT) orange Sleeve
 LL0, LL00, A [ B, T Cot, SRT, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 No K&E logo, inlaid stripe on edges,1956 scale set. NIC w/Restored w/3-D natural color cursor blocks. Shiny braces. Sleeve has flap torn.. No written markings. $25
22.07.06.189
10.03.01.01
 K&E 4081-3 Log Log Duplex Decitrig sn507988 1961 Green Leather sleeve LL01, L, K, A [ B, T Cot, SRT, S Cos ] D, DI, L1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Newer model number of 4081-3.. Laminated mahogony edge. Green sleeve. . Writing inside flap. "Lerner"scratched on brace. 3-D Cursor blocks. $30
22.07.06.182
22.07.25.01
 K&E 4081-3 Log Log Duplex Decitrig sn195175 1945 (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. Updated 1952+ K&E Cursor (no text). Shiny braces. No Name on sleeve, very clean orange Sleeve. $30
22.07.06.181
13.08.27.01
 K&E N4081-3 Log Log Duplex Decitrig sn704303 1952 inlaid stripe, (1952-1953 scale set), Black sleeve LL01, K, A [ B, T Cot, ST, S Cos ] D, L, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 K&E logo, inlaid stripe on edge, 1952-1953 scale set. NIC w/Restored w/3-D cursor blocks.. Shiny braces. Black Hard sleeve with MIT decal on it. $25
18.04.06.17
09.10.27.01
 K&E N4083-3 Log Log Duplex Vector sn739064 1953 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
22.07.06.164
09.10.27.01
 K&E N4083-3 Log Log Duplex Vector sn640454 1952 Green Retail box, Orange 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		 Immaculate.New Improved Cursor. Notice hyperbolic Scale set. No KERCS. Sleeve intact. Name "Richard Potter" professionaly etched on brace and sleeve $50
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
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
23.03.01.02
04.04.23.02
 K&E 4092-3 Log Log Duplex . Sn254635 1928 Leather Sleeve LL0, A [ B, S, T, C ] LL3, LL2, LL1
K, DF [ CF, CIF, CI, C ] D, L		 All glass cursor with acrylic lens. K&E branded blocks. Great intact leather sleeve. Name inside flap "E.Paul Seydel". $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. No cracks in cursor blocks. stocked aged. No markings. Tight fit. braces shiny.Model number and patents on edge K&E logo. . $20
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
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 150
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
22.09.13.42
04.11.03.01
 K&E 4160 Chemists Rule sn284755 c1929 SOUGHT [ GIVEN, CI] D (Oxide Elem.)
SOUGHT [ GIVEN, C] D< (Acid, Base, Salt)		 Hard sleeve missing flap. Has Name "W.J. Boshart".and initials etched on brace.small corner chip on lens repaired with glass adhesive. $100
23.08.02.02
18.03.01.02
 K&E 4181-1 Duplex Decitrig, sn323805 red 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 markings $70
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
22.09.13.34
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
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
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
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
23.05.18.35
15.05.09.08
 K&E N9081-3 Doric Log Log Duplex Decitrig, sn21654 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		 Plastic stock, metal braces. Inverse scales in Italics. No sleeve. serial number is slightly faded. $20
21.04.07.04
14.10.09.08
 K&E 68-1210 Log Log Duplex Decitrig sn561216 1962 Green Leather sleeve LL01, L, K, A [ B, T Cot, SRT, S Cos ] D, DI, L1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Newer model number of 4081-3. Inlaid mahogony edge. Orange leather sleeve.Name on sleeve "Tinkler" $30
13.00.00.95
14.10.09.08
 K&E 68-1210 Log Log Duplex Decitrig sn991644 1955 Orange Leather sleeve LL01, L, K, A [ B, T Cot, SRT, S Cos ] D, DI, L1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Newer model number of 4081-3. Inlaid mahogony edge. embossed Name on sleeve Gene Defosse $35
22.09.13.24
14.10.09.08
 K&E 68-1210 Log Log Duplex Decitrig sn540983 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		 Newer model number of 4081-3. Perfect Laminated mahogony edge. NOS (Removed from damaged retail. Sleeve flap has crack in hinge. Leather is dry. $40
22.09.13.27
14.10.09.08
 K&E 68-1210 Log Log Duplex Decitrig sn580797 orange leather sleeve. retail box.

 LL01, L, K, A [ B, T Cot, SRT, S Cos ] D, DI, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Newer model number of 4081-3. Perfect Laminated mahogony edge. NOS/NIB in retail box (stained/musty) Slide rule in original poly bag, w/ hard cover Jetlog manual, Orange leather sleeve with belt clip. Blow molded insert removed as was cracked and brittle. $90
22.03.01.46
09.01.12.53
 K&E GP12 68-1565 1967 sn002957 with black sleeve Sq1, Sq2, DF [ CF, T Cot, SRT, S Cos, , CI, C ] D, A, K
cm (number) [ number, Conversions, logarithm ] inch (logarithm)		 Black leather sleeve. Perfect. $25
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

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
22.07.06.213
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. $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
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
12.11.22.07
12.06.24.02
 Concise 320 circular with calendar D ( C, CI, A, K)
Equivalents and Calendar		 Made in Japan by Concise - 9.7cm Dia $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
23.07.15.02
12.04.25.02
 Concise CTCS-552 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. OEM Gulf Engineering Co. New OrleansWith manual. Cursor has tip reinforced transparent tape. $25
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
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
13.08.27.03
10.03.02.05
 Concise CTCS-552 (1966) Sama&Etani Reference tables – Advertising: Property of U.S. Government 4in || D ( C, CI, L, A, S, T, K) || 10cm
table of the Elements
Insert: Conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc		 U.S. Government issued Pocket size circular slide rule with conversion tables for Valve Engineers and others. White Sleeve With manual. $40

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
22.07.06.129
12.01.10.02
 Dietzgen 1732 (V1 frameless) Maniphase Multiplex Trig Type Log Log Rule. sn515002 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 missing flap. "B.Johnson" etched on brace, and on sleeve. with belt loop. $35
22.07.06.129
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
22.07.06.131
12.01.10.02
 Dietzgen 1732 (V1 frameless Cursor) Maniphase Multiplex Trig Type Log Log Rule. sn556442 LL0, LL00, A [ B, T Cot, ST, S Cos ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Excellent. brown Leather sleeve intact. with belt loop. name: "Robert Gillis" inside sleeve flap. $50
22.03.14.03
17.07.15.01
 Dietzgen 1732 (V2 metal Framed Cursor) Maniphase Multiplex Trig Type Log Log Rule. sn565680 LL01[e-0.01, L, K, A [ B, T Cot, ST, S Cos ] D, DI, LL1[e0.01
LL02[e-0.1, LL03[e-1.0, DF [ CF, CIF, CI, C ] D, LL3[e1.0, LL2[e0.1		 Good condition. Brown leather. sleeve No markings. $50
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
23.05.18.22
12.06.24.25
 Dietzgen 1738 Type-M - Decimal Type Trig Log Log (painted aluminum) 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		 Great slide rule . Made by Ecobra. Plastic blocks Black Naugahyde sleeve. $30
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
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
13.00.00.14
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
20.04.01.014
17.10.10.02
 Dietzgen 1771 Pocket Redirule, NIB Brown sleeve with manual 5in // A [ B, CI, C ] D, K \\ 12.5cm
[ S, L, T ]		 All plastic construction. New in Box. Brown leather sleeve. With ManualNo markings $30
21.08.07.40
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
22.07.06.147
17.10.10.02
 Dietzgen 1771 Pocket Redirule, TEXACO, Brown sleeve 5in // A [ B, CI, C ] D, K \\ 12.5cm
[ S, L, T ]		 All plastic construction. Brown leather sleeve. Texaco promo on back. No markings $20
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
14.07.02.82
14.07.02.84
 Dietzgen 1776 Redi-Rule Pocket, Sleeve w/ metal belt clip K, A [ B, T, ST, S ] D, DI
DF [ CF, CIF, CI, C ] D, L		 Perfect slide rule. Brown leather Sleeve w/ metal belt clip $30

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
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
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
21.07.24.01
21.08.07.05
 Sun Hemmi 250 Basic Trig
Made in Japan - Date Code DE (May 1953) 		K, A [ B, TI2 Cot, TI1 Cot, SI Cos ] D, DI
DF [ CF, CIF, CI, C ] D, L		 Bamboo duplex. Excellent. Stainless steel brace “L” shape. Hard cardboard sleeve. $50
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

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

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
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
21.08.07.04
14.01.10.43
 SIC 1520 Decatrig sn30080in retail box, brown leather sleeve K, A [ B, S Cos, ST, T Cot, C ] D, DI
DF [ CF, CIF, CI, C ] D, L		 Pristine. With Logo. Scale labels on cursor lens. Retail box, brown leather sleeve $50
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
23.10.13.01
19.04.14.01
 Lafayette 99-7102 Vectorlog dcOS-1 1966 Tr1. Tr2, P', P L, K, A [ B, S Cos, ST Sr, Se, C ] D, LL03, LL02, LL01
Sh1, Sh2, DF, A [ B, CF,CF, Th CI, C, LL1' ] D, LL3, LL2, db,		 Great Hyperbolic slide rule. Brown leather sleeve $60
20.04.01.140
09.01.12.17
 Micronta 505 dc H.K-1 Pocket with leather sleeve 13cm // A [ B, CI, C ] D, K || 5in
[ S, L, T ]		 Radio Shack Brand. 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

Aristo
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
17.06.17.06
09.01.12.71
 Aristo 89 Rietz no date code 14 cm // K, A [ B, CI, C ] D, L
[S, ST, T] 		No sleeve. Lightly soiled $15
22.03.01.90
09.01.12.71
 Aristo 89 Rietz 14cm dc3FL18 14 cm // K, A [ B, CI, C ] D, L
[S, ST, T] 		Brown leather sleeve. Promo on back (M-A-N) $15
22.10.13.15
09.10.21.02
 Aristo 89 Rietz 14cm dc3LA4 1973 14 cm // K, A [ B, CI, C ] D, L
[S, ST, T] 		Brown suede leather sleeve. Promo on back (ISV). . $15
13.00.00.38
09.01.12.78
 Aristo 0903 Scholar dc 2LE2 Plastic sleeve L, K, A [ B, BI, CI, C ] D, S Cos, ST ST, T Cot clean all plastic. Back is blank. Stock. has imprint 409 (school issue) Multiple hairlines. White and Red hard sleeve $15
13.00.00.16
09.01.12.76
 Aristo 0903 Scholar dc 3FE7 Plastic sleeve L, K, A [ B, BI, CI, C ] D, S Cos, ST ST, T Cot
25 cm, 10 inch		 clean all plastic. Back is blank. Multiple hairlines. White and Red hard sleeve $15
15.05.12.23
12.03.21.03
Aristo 0970 Multilog dc608 (1960) LL00, K, A [ B, T Cot, ST, S Cos, C ] D, DI, LL0
LL01, LL02, LL03, DF [ CF, CIF, L, CI, C ] D, LL3, LL2, LL1		 Clean all plastic. Multiple hairlines, metal cursor blocks. One lens Cracked in corner. Functional. Name on Cardboard sleeve (J.Fehlmann) $25

Faber-Castell
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
22.10.15.05
09.01.12.60
 Faber-Castell 57/87 Reitz Schul-Rechenstab (1964) 27cm // K, A [ B, CI, C ] D, L
[S Sin, ST, T Cot]		 No sleeve . $10
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
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
20.04.01.245
20.04.01.03
 Faber-Castell 67/22 Disponent dc1165 Version 2 slide, w/ Box and green sleeve 14cm // +/-%, DF(Cap./Int) [ CF(Dias), CI(p%), C(Dias) ] D (Int.)
[Sh/d, PoundSterling]		 Made in Germany. Excellent shape. Original box & green sleeve $20
13.00.00.56
09.01.12.54
 Faber-Castell 67/87 dc559 pocket with SIC 5050 cursor 14mm // K, A [ B, CI, C ] D, L
[S, ST, T]		 Metal frame SIC 5050 cursor restores this old soldier see 11.11.17.08 $15
20.01.04.406
20.04.01.359
 Faber-castell Nat'l Acme Co. machining cutting time, feeds and speeds pocket slide rule Spindle Revs per Minute [ Feed, Length of Cut ] Time Taken in Seconds, Time Taken in Minutes
Back table: Stock sizes, Cutting Speeds		 no cursor. Good condition $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

Nestler
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
22.03.01.28
13.04.04.01
 Albert Nestler 21 Darmstadt (1937) 27cm, Lg // K, A [ B, CI, C ] D, Sin Cos || Sin Cos, Tan Ctg
[ LL1, LL2, LL3 ]		 Pristine,\ wood stock with metal framed multi-lined cursor with Hairlines on top and bottome. $60
22.05.06.17
09.04.24.01
 Nestler 23R/3 System Rietz 27cm // K, A [ B, CI, C ] D, L || 1:5 cm
[ S, S&T, T ]		 Pristine, Cardboard sleeve wood stock with metal framed multi-lined cursor.. $60
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

Misc. Europe
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
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
Diawa 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
20.04.01.071
21.06.10.41
 UTO No 601 Hoffman, Pocket Rietz. V2 Plastic lens, Leather sleeve 5in // A [ B, CI, C ] D, L
[ S, S&T, T ]		 Excellent. with instructions, Leather sleeve. Has "ALCOA". on stock. $20
14.07.03.72
21.06.10.41
 UTO No 601 Hoffman, Pocket Rietz. V2 Plastic lens, Leather sleeve 5in // A [ B, CI, C ] D, L
[ S, S&T, T ]		 Excellent. Leather sleeve. Has "Semimetals inc". 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
21.06.10.14
20.08.07.01
 Diwa 901 Log Log Duplex, Wood case LL0, LL00, A [ B, T Cot, ST, S Cos, C ] D, DI, K
L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Cursor starting to crack. Metal is tarnished. Mahagony clamshell box $60
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
20.04.01.365
20.04.01.420
 Hono-Rietz Jap.125 Pocket 13cm // B3(K), S, B2(A) [ b2(B), a(CI), b(C) ] B(D), T, L in red box sleeve. Possibly made in France by Graphoplex - Sold in Italy. Back promo $20
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
20.04.01.180
18.07.11.11
 UGK RPGP Pocket Duplex made in Hungary K, A [ B, CI, C ] D, L
Sin, ST, Tan		 Soviet era Tan sleeve Duplex style. Clever use of assembled sheets of plastic to form stock $25
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
20.04.01.096
18.04.06.142
 Reiss 3212 Multilined cursor 13cm // K, A [ B, CI, C ] D, L
[ S, T ]		 slight red ink smudge on back $15
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
22.03.01.103
18.04.06.146
 Arithma Addiator with Stylus 6 digit one sided addiator. Made in Germany. Brown sleeve, Black and silver.. Fully functional. $15

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
20.04.01.194
14.07.02.75
 Post 1441 MIOJ 4 inch Pocket Mannheim with magnifier, Brown leather vest sleeve 4in // A [ B, CI, C ] D
[ S, L. T ]		 Miniature but functional, pocket slide rule made by Sun Hemmi, rebranded for POST. Pocket clip sleeve. Excellent. Rare Miade In Occupied Japan meodel $30
18.04.06.56
12.06.23.03
 Post 1442 Pocket Duplex Dual 5 inch/10 inch (Roos) K, A [ B, S, T, C ] D, DI
Fraction-Decimal [ L L, C2, C1 ] D1, D2, D		 Pocket slide rule with 5 inch wrap around scales equivalent to 10 inches long. White braces Brown sleeve. $20
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
18.09.17.40
14.01.10.02
 Post 1444K 5 inch pocket Mannheim, dcKL 1960, Brown leather pocket clip sleeve. 5in // A [ B, CI, C ] D, K
[ S, L. T ]		 Pocket slide rule made by Sun Hemmi, rebranded for POST. Pocket clip sleeve. Excellent. Has partial retail box. W/ “Jack Saloum” written on it. $30
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
22.10.13.12
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.Post brand. Different from bruning 2401 as they swapped inch/cm scale on edges for Post.Back marked "Robert L. Atkins" with calculating aids. $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
22.03.01.68
12.02.12.02
 Post 1444P (Bruning OEM) 5 inch pocket Mannheim, Brown leather pocket sleeve. C1960 11.5cm // A [ B, CI, C ] D, K \\ 5in
[ S, L. T ]		 Pocket slide rule made in USA by Bruning, rebranded for POST. $20
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
20.04.01.044
14.07.02.80
 Post 1444K 5 inch pocket Mannheim, dcRL 1967, Brown leather pocket clip sleeve. 5in // A [ B, CI, C ] D, K
[ S, L. T ]		 Pocket slide rule made by Sun Hemmi, rebranded for POST. Leather Pocket clip sleeve. Excellent. $30
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
23.07.18.05
14.07.04.01
 Post 1450 Versatrig dcOK (1964) L, A [ T T, SecT ST, Cos S, C ] D, DI
K, DF [ CF, CIF, CI, C ] D, R1, R2		 Excellent. Black faux leather sleeve (tight). OEM Hemmi bamboo slide rule. No markings. $30
22.07.06.194
14.07.04.01
 Post 1450 Versatrig dcRJ (1967) 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
22.07.06.195
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
13.00.00.10
18.12.30.01
 Post 1460 Versalog Duplex sn237047 dcLL, 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. No Markings. Bright white stock. Hemmi OEM slide rule $80
22.10.13.01
19.10.23.01
 Post 1460 Versalog Duplex sn608212, dcPD Apr1965 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. Writing on inside of flap blacked out. Hemmi OEM slide rule $60
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
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

Acumath
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
22.07.06.106
21.07.20.01
 Acu-math No. 40 Concrete Calculator 8inch 1949-1952 A (Thickness) [ B (Width or Height), C (Length) ] D (Cubic Yards) Back is blank. $20
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
20.04.01.001
13.07.25.01
 Acu-Math 1211 Pocket Duplex Mannheim Modern Logo A [ B, CI, C ] D, K, L
S, T 		Plastic duplex with steel braces. Modern Acu-Math Oval logo.with instructions $20
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
20.04.01.076
15.05.11.03
 Acu-Math 1240 – c1965, tan sleeve K, A [ B, CI, C ] D, L
Back is blank		 Plastic one sided duplex. Excellent. Brown leather sleeve. No oval Logo $15
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
14.01.10.59
11.02.14.01
 Acu-Math 400 Student Mannheim Retail box w/instruction No44 S, K, A [ B, CI, C ] D, L, T
Back is blank		 Plastic duplex, rounded corners, white molded braces. Tan Naugahyde sleeve. Red retail box. Manual. Clean $20
14.01.10.57
16.06.21.01
 Acu-Math 400 Student Mannheim w/instruction (Sterling now) S, K, A [ B, CI, C ] D, L, T
Back is blank		 Oval Logo. Plastic duplex, square corners, white molded braces. Black plastic sleeve. $20
19.04.01.11
13.06.25.01
 Acu-Math 511 Mannheim Professional all-metal S, K, A [ B, CI, C ] D, L, K
Trig Identities, fractional Equivalents		 magnesium duplex, rounded corners, metal braces. Single-sided cursor, Tan naugahyde sleeve. Rusty screw heads and rivets $20
22.10.13.11
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.Double-sided cursor, Black rubberized sleeve. clean screw heads and rivets $20
15.05.12.06
14.07.02.53
 Acu-Math 600 Basic Trig Retail box w/instructions S, S&T, K, A [ B, CI, C ] D, L, T
Trig Identities, fractional Equivalents		 magnesium duplex, rounded corners, metal braces. Tan Naugahyde sleeve. Red retail box. Manual. Clean $30
15.05.11.02
13.07.03.01
 Acu-Math 1311 Log Log Decitrig all-metal, retail box LL01, K, A [ B, T, ST, S ] D, L, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 magnesium duplex, rounded corners, metal braces. Tan Naugahyde sleeve. Red retail box. Clean $40
23.05.31
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.brown leather sleeve. Clean $30
14.01.10.44
15.04.17.02
 Acu-Math 1500 U.S.Govt Log Log Decitrig LL01, K, A [ B, T, ST, S ] D, L, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Machined Plastic duplex, rounded corners, metal braces. Tan Naugahyde sleeve. $30
13.07.03.02
15.04.17.02
 Acu-Math 1500 U.S.Govt Log Log Decitrig LL01, K, A [ B, T, ST, S ] D, L, LL1
LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2		 Machined Plastic duplex, rounded corners, metal braces. Sewed brown leather sleeve slight rust on screws/ $25
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

Lawrence
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
22.03.01.14
12.04.03.01
 Lawrence 8-B 8” Mannheim, Wabash, Ind. A [ B, CI, C ] D, K
Conversion Chart		 All wood, Blue ink text.Promo on sleve: "The Peters Company". $15
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
14.01.10.51
14.07.02.56
 Lawrence 10-B 10” Mannheim, Peru, Ind. A [ B, CI, C ] D, K
Conversion Chart		 All wood, Blue ink text on white paint. No markings. Black sleeve with name (Judy Ford). Very nice $10
14.07.03.75
14.07.02.56
 Lawrence 10-B 10” Mannheim, Peru, Ind. A [ B, CI, C ] D, K
Conversion Chart		 All wood, Blue ink text on white paint. No markings. Lightly worn $8
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
20.04.01.032
15.03.19.01
 Engineering Instruments 5B Draft-A-Plan Learner slide rule by Lakeside A [ B, CI, C ] D, K In original box with instructions. 1962 $20

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
17.05.22.04
13.01.08.01
 Sterling 651 Metric Converter Copyright1973 Volume, Weight, Liquid
Linear distances and Area		 All plastic, Slide in yellow plastic, stock white. $15

MiscUSA
Accession #
Reference		 Comparable Image Ref # Brand and Model No. Scales Description Dona-tion?
13.00.00.90
13.00.00.84
 Stanley No 15 Engineers Joint Rule with Gunter's scale on Slide c1890 K, Sin, A [ B, CI, C ] D, Tan, Log,
Problem Key Table for common equations.		 Made of boxwood with brass joint and Gunter's slide, slide is stuck from swelling. ink stains. Brass was cleaned. $120
13.00.00.09
14.09.21.04
 American Blueprint Co. NY.Military Slide Rule, Version 1 cursor Opposite Angle Deg, Mils [Apex Angle) Mils, Deg, CI,C (Base)] D (Range),A
[Tan, Sin-Tan, Tan ]
Geometry formulae		 Mahogony stock supporting plastic scales. Black Leather sleeve marked "U.S." $50
22.03.01.31
14.09.21.04
 American Blueprint Co. NY.Military Slide Rule, Version 1 w/Range Opposite Angle Deg, Mils [Apex Angle) Mils, Deg, CI,C (Base)] D (Range),A
[Tan, Sin-Tan, Tan ]
Geometry formulae		 Mahogony stock supporting plastic scales. Brown leather sleeve $50
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
22.07.06.153
22.07.06.59
 Parisian Novelty 6-inch Pocket Slide Rule 6in, A [ B, CI, C ] D, 15cm
Equivalents 		Folded tan sheetplastic slide rule. Back promo: Dicalite Company $5
20.08.15.24
12.02.19.01
 C-Thru No. 27 Pocket Mannheim A [ B, CI, C ] D, K
S, L, T 		Folded film type slide rule in paper sleeve with Instructions $10
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
19.04.01.13 Howitzer Howitzer 155 mm Charge 5 & 6 Firing table Slide Rule. Vietnam Era. Range, elevation, drift, etc In khaki case Vietnam Era. Cursor stuck from wood expansion. “Jones” written on stock. $25
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
12.06.18.01
20.08.24.01
 Gerber Scientific No TP007100B, Variable Scale Scales (23.5 cm): R1, I, L10 In padded leather box. $50
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
20.04.01.344
11.11.11.05
 Foxboro Flow And Valve Rule (c1975) Special Scales with sleeve. Perfect. $10
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
22.05.06.38
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
22.05.06.39
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
22.05.06.35
21.06.10.42
 Wizard Calculating Machine in brown wallet, with manual,no stylus 9-digit addiator. Brown wallet with manual. Includes a 8-1/2 x 11 cheat sheet called "Magic Reckoner". $15
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

British
Accession #
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, /I, 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, /I, 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, /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
20.04.01.197
17.05.02.06
 W.H. Smith Simplified Rietz Pocket K, A [ B, CI, C ] D, L Duplex style construction $35
22.03.01.93
17.05.02.06
 W.H. Smith Simplified Rietz Pocket K, A [ B, CI, C ] D, L Duplex style construction. excellent $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

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
22.07.06.15
22.09.20.17
 Telex E6-B Computer Model FDF-57 Dead Reckoning Computer 1975 Distance Naut Miles, True Air Speed (Time Min, Hrs, Density Altitude, Air Temp )
Wind Correction Angle( True Heading )		 All anodized bright aluminum..Leather sleeve. with manual $30
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International Slide Rule Museum