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Hemmi No.257 "Chemical Engineer" Slide Rule. Bamboo. Duplex. 23 Scales.Very Good

$ 117.92 $ 70.75

Pickett 111ES Top-of-the-Line, Powerful Circular Slide Rule.

$ 4.84 $ 2.9

* NEW IN BOX * Hemmi No.257 "Chemical Engineer" Slide Rule. Bamboo. 23 Scales.

$ 161.04 $ 96.62

Vintage CIRCULAR COMPUTER CALCULATOR SLIDERULE SLIDE RULE C-THRU Ruler 4" PC-81

$ 7.87 $ 4.72

1962 Nuclear Bomb Effects Computer Cold War Era Scientific Slide Rule Calculator

$ 43.98 $ 26.38

Vintage SLIDE RULE GEOTEC 341 3526 MATH ENGINEERING TOOL PLASTIC TRAVEL CASE M84

$ 6.15 $ 3.69

NEW IN BOX Hemmi No. 269 'Civil Engineer' Slide Rule. Duplex.Bamboo.25 Scales.

$ 145.19 $ 87.11

Hemmi No. 266 "Electronics" Slide Rule. Duplex. Bamboo. 24 Scales. Excellent.

$ 165.44 $ 99.26

Hemmi No. 258. Prototype Post Versalog. Has Name & Logo of Post & Hemmi. Rare.

$ 201.52 $ 120.91

Very Nice 1959 Pickett N4-ES Log Log Dual-Base Speed / Slide Rule Leather Case

$ 70.35 $ 42.21

Vintage Post Co. Versalog Sun Hemmi Bamboo Japan Slide Rule & Case & #1447 Post

$ 21.12 $ 12.67

Aristo 908 TriLog Slide Rule. Nearly New in Box. Powerful, 22 Scales.

$ 0 $ 0

Post 1450 Versatrig Duplex 12" Hemmi Slide Rule + Black Leather Case

$ 16.5 $ 9.9

Pickett Model 700 Type 2A USAF Aerial Photo Type A2 -- 6" Slide Rule

$ 30.8 $ 18.48

Post No. 1462 Duplex Slide Rule 19 Scales, 12"

$ 11.39 $ 6.83

Ricoh No. 1053 Slide Rule. Celluloid on Bamboo. Bamboo. 24 Scales. Excellent

$ 34.32 $ 20.59

Pickett Model 4 Vector Hyperbolic Deci-Log Log - Magnesium - 30 Scales

$ 25.3 $ 15.18

Vintage Keuffel & Esser K&E 4081-3 Log Duplex Decitrig Slide Rule W/Case

$ 44 $ 26.4

Hemmi No. 264 Slide Rule. Duplex. Bamboo.18 Scales. Scarce in USA. Excellent.

$ 56.32 $ 33.79

K&E 4181-3 Log Log Duplex Decitrig -- 12" Slide Rule -- 21 Scales

$ 15.62 $ 9.37

Vintage Aristo 40140 Bauhlstahlgewebe - Reinforced Concrete Slide Rule Rare

$ 87.12 $ 52.27

Vintage Dietzgen Decimal Trig Slide Rule - N1732

$ 48.39 $ 29.03

Vintage Frederick Post Versalog 1460 Slide Rule Hemmi Japan Leather Case White

$ 11.43 $ 6.85

VINTAGE MINI ADDIATOR ADDFEET JUNIOR WITH STYLUS IN CASE - MADE IN GERMANY

$ 18.92 $ 11.35

Vintage Pickett Slide Rule Model 14 U.S. Military. Leather Case. Never Used.

$ 102.07 $ 61.24

• NEW IN BOX • Faber-Castell 67/91 Pocket Slide Rule. 7 Scales x 5". Plastic.

$ 14.08 $ 8.44

Vintage SIC No. 5510 Pocket slide rule Bamboo 1961 with leather case, Japan

$ 79.1 $ 47.46

K & E Co. 4185-7 VINTAGE 1940s Magnifier for Slide Rule W/ Box Made in USA

$ 22.88 $ 13.72

Pickett N803-ES Log Log Speed Rule Dual Base + Leather Case 24 Scales Slide Rule

$ 24.2 $ 14.52

Sama & Etani Concise Conversion Tables and Circular Slide Rule Model CTCS-552

$ 5.23 $ 3.14

Pickett Model N4 - ES Slide Rule

$ 0.88 $ 0.52

Vintage copyrighted 1931-1940 binary circular 8.25 Inch slide rule

$ 30.79 $ 18.47

1960'S PICKETT 6" ALL METAL N1006 ES YELLOW TRIG SLIDE RULE W/ BOX/ CASE/ PAPERS

$ 22 $ 13.2

Vintage Gerber Variable Scale Model TP007100B Leather Case Scientific Instrument

$ 131.95 $ 79.17

A.W. Faber Castell 63/87 Syst. Rietz Slide Rule sin/tg.

$ 7.48 $ 4.48

Sterling Slide Rule in Case

$ 10.11 $ 6.06

Vintage Lot of 3 Slide Ruler Scientific Calculators Denmark USA Engineering

$ 8.75 $ 5.25

Pickett 902 Slide Rule Kit - New in Box

$ 30.8 $ 18.48

New in Box Pickett N-200-ES Trig Slide Rule

$ 30.8 $ 18.48

New in Box, Pickett 500-ES High Log Speed Rule

$ 39.6 $ 23.76

VINTAGE UNMARKED MADE IN USA SLIDE RULE W/ FAUX SNAKESKIN CASE

$ 11.43 $ 6.85

PICKETT MODEL N902-T SLIDE RULE SIMPLEX TRIG TRIGONOMETRY WITH CASE EXCELLENT!

$ 8.75 $ 5.25

Pickett slide rule N 1010-ES. 48”

$ 660 $ 396

Vintage Czech Republic Logarex 4542-27403 Logarithmic slide rule - 14 Scales

$ 8.58 $ 5.14

UTO No. 601 5" plastic slide rule w/ instructions, vintage, Union Carbide promo

$ 7.04 $ 4.22

New Old Stock Pickett *Cursor Screws* Part PN 49 Slide Rule Models 901 902 903

$ 5.28 $ 3.16

VINTAGE 1959 Pickett & Eckel Model N4-ES Slide Rule & Hard Leather Case

$ 52.79 $ 31.67

Vintage Sans & Streiffe Slide Rule No. 310

$ 21.99 $ 13.19

Dietzgen Redirule No. 1776 Slide Rule w/ Leather Case Made in the USA

$ 21.91 $ 13.14

Vintage Keuffel & Esser K & E Favorite Trade Mark Slide Rule 4056 w/ Orig. Case

$ 8.79 $ 5.27

1968 Circular Slide RULE LOGARITHMIC KL-1 manual rules Moscow Soviet Russia USSR

$ 35.2 $ 21.12

Pickett N-500 ES Hi Log Log Duplex Slide Rule + Case - Excellent - 24 Scales

$ 24.59 $ 14.75

VINTAGE 1965 UNIVERSAL RELAY CORP SLIDE RULE CHART

$ 70.39 $ 42.23

Vintage Pocket Slide rule Frederick Post Co. 1444K with case Japan

$ 9.68 $ 5.8

Pickett and Eckel 1950's Model 1010 Aluminum Slide Rule Leather Case

$ 48.39 $ 29.03

Antique ALBERT NESTLER RIETZ No 23 R/3 Slide Rule W/Box CIRCA 1908? (maybe 1930)

$ 22 $ 13.2

Vtg Retail Pickett Mark-up Calculator Circular Slid Rule Model 103ES with Case

$ 30.8 $ 18.48

Pickett 520-T USAF Aerial Photo- MIL-C-4318-B Type A-1 Slide Rule + Case

$ 25.96 $ 15.57

USSR SOVIET MECHANICAL CALCULATOR CIRCULAR SLIDE RULE POCKET TYPE with manual

$ 26.4 $ 15.83

Keuffel & Esser K&E 1930s-1940s 10" Slide Rule with Original Leather Case

$ 30.8 $ 18.48

vintage SLIDE RULE: early ACU-RULE pat pending, writing on back, worn sleeve

$ 21.11 $ 12.66

1970 Faber Castell 2/83n Novo Duplex Slide Rule & Pencil Advertising Sign 24"

$ 242.87 $ 145.72

Nice Frederick Post Versalog Slide Rule Model 1461 Hemmi Japan W/Original Case

$ 77.44 $ 46.46

VINTAGE Pickett Model 600 Synchro Scale Log Speed Rule Slide With Case! Nice!

$ 30.8 $ 18.48

Vintage KEUFFEL & ESSER K+E DECI-LON Slide Rule 68-1100 W/ Leather Case

$ 57.2 $ 34.32

PICKETT Electronic Model N-515-T Slide Rule in original plastic w/Leather Case

$ 40.47 $ 24.28

COLLECTIBLE METAL SIGN - PICKETT SLIDE RULE APOLLO N600

$ 58.96 $ 35.37

POST Versalog Slide Rule No.1460 Hemmi and Case -Very Nice

$ 22 $ 13.2

Dietzgen Vintage Circular Metal Binary Slide Rule 8.25" diameter 1940

$ 21.64 $ 12.98

Vintage KEUFFEL & ESSER K+E DECI-LON Slide Rule 68-1100 W/ Leather Case

$ 66 $ 39.6

vintage S/C no 1510 Slide Rule

$ 39.59 $ 23.75

Vintage Yellow Pickett Model 160 Compact 6" Pocket Slide Rule Microline w/ Case

$ 17.16 $ 10.29

K&E 4080-3 Log Log Duplex Trig 20 scales Slide Rule + case

$ 15.4 $ 9.24

1960 PICKETT Slide Rule POWER LOG EXPONENTIAL N 3-T w/ Leather Case EUC

$ 39.59 $ 23.75

Vintage 1961 KEUFFEL & ESSER K+E DECI-LON 68- 1100 Slide Rule

$ 52.79 $ 31.67

Pickett Model #2 Deci Log Log Duplex Slide Rule, 26+ scales + case

$ 25.96 $ 15.57

1967 Vintage Reliability Circular Slide Rule by General Dynamics with Booklet

$ 8.75 $ 5.25

Two(2) 10 Student Slide Rules (Sun Hemmi)

$ 6.6 $ 3.95

1973 Pocket Metripak Precision digital metric converter Fearns Calculators Eng.

$ 21.95 $ 13.17

New Old Stock Pickett *End Plate Screws” PN 53 Slide Rule 200 300 400 600 Etc

$ 2.64 $ 1.58

COLLECTIBLE METAL SIGN - PICKETT SLIDE RULE

$ 18.9 $ 11.34

(2) FREDERICK POST Slide Rules No.1452 W/Leather case & No. 1447 W/Box

$ 21.99 $ 13.19

FABER CASTELL TECNOSTYL RUSSIA LOT slide Rule Mathematics ruler technical draws

$ 21.11 $ 12.66

Vintage Pickett n-4es Leather Case, instructions book

$ 70.39 $ 42.23

Vintage Engineering Old School Slide Charts Vibrator Particle Size Charts

$ 16.71 $ 10.02

Hemmi No. 251 'Mechanical Engineer' Slide Rule. Duplex. Bamboo. 19 Scales. Fine.

$ 45.76 $ 27.45

Concise Model 600 Sama & Etani Inc. Slide Rule w/ Periodic Table & Inside Chart

$ 21.99 $ 13.19

Pickett 500 Ortho Phase Log Log 20 Scales Slide Rule + Case

$ 15.4 $ 9.24

Pickett N4-ES Vector Type Log Log Dual Base Slide Rule Leather Case Great Cond

$ 87.12 $ 52.27

Vintage Keuffel & Esser K&E N4081-3 Log Log Duplex Decitrig Slide Rule w/Case

$ 26.31 $ 15.78

Vintage Concise Circular Slide Rule w/ Sleeve - Made In Japan

$ 20.23 $ 12.14

Early Magnesium Pickett 300 Log Log Duplex Slide Rule + Case -- 6"

$ 25.96 $ 15.57

Pickett N200-ES Trig Slide Rule and Leather Case -- 6"

$ 17.55 $ 10.53

Post (Hemmi) 1460 Veralog 23 scales Slide Rule + Leather Case

$ 16.28 $ 9.76

Square D Schneider Telemecanique Motor Data Calculator Slide Rule Chart

$ 4.39 $ 2.63

Concise ruler circular slide rule 480 100836 New F/S

$ 51.92 $ 31.15

Vintage Classic series 11 slide ruler,missing slider.

$ 7.92 $ 4.75

Vintage 1948 PICKETT 14 Scale SLIDE RULE-Model 1000 Ortho-Phase Duplex

$ 17.55 $ 10.53

Hemmi No. 32 Vest Pocket Slide Rule. Bamboo. 8 Scales 4". Leather Case. Exclnt.

$ 23.76 $ 14.25

Dietzgen Polymath Multiplex N1733 Slide Rule w/Case decimal trig log engineering

$ 17.6 $ 10.56