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VTG EMR Photoelectric Division Multiplier Phototube Selector Slide Rule

$ 8.79 $ 5.27

Vintage GREENSBURG CONCRETE BLOCK CO. Concrete Calculator Slide Rule NICE!

$ 2.42 $ 1.45

Post Slide Rule, Frederick Post Co. No. 1447 Made in Japan With Box

$ 7.47 $ 4.48

Vintage Keuffel & Esser Slide Rule And Leather Case K&E Made in USA Pre-owned

$ 16.28 $ 9.76

Vintage Pickett Slide Rule Model N1010-ES TRIG - With Case

$ 17.16 $ 10.29

Multor Circular Multiplication Slide Rule Made In W. Germany W/ Leather Pouch

$ 110 $ 66

Vintage Pocket Slide rule Charles Brunning co made in USA 2401 with case

$ 8.79 $ 5.27

VTG Polyphase Duplex SLIDE RULE (4088-3) W/ Original Case Keuffel & Esser USA

$ 31.68 $ 19

Concise Ruler Circular Calculator Machine Tool 100867 120mm new Japan

$ 52.9 $ 31.74

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

$ 26.4 $ 15.83

Vintage K&E Beginner Slide Rule N4058W Keuffel & Esser Co. NY with Case

$ 10.55 $ 6.33

Albert Nestler Lahr 1/B System Rietz Slide Rule - 11" Long

$ 12.98 $ 7.78

Vintage Pickett N531-ES All Metal Slide Rule Capitol Radio Engineering Institute

$ 27.66 $ 16.6

Vintage Pickett 160 Microline Slide Rule with Leather Sheath

$ 23.75 $ 14.25

VINTAGE PICKETT N902-T DUAL BASE LOG SLIDE RULER LEATHER CASE DIRECTIONS CHICAGO

$ 39.6 $ 23.76

Vintage FRICK Branded DIWA No 601 Slide Rule w/ Leather Pouch

$ 10.56 $ 6.33

PICKET 200 Pocket TRIG Slide Rule - Vintage

$ 44 $ 26.4

Cutler-Hammer 1964 Noise-Figure Slide Rule Calculator Airborne Instruments Lab

$ 8.71 $ 5.22

Vintage 1961 Scientific Instruments Co SIC Professional Slide Rule #1510 Japan

$ 48.4 $ 29.04

Pickett N4-ES Log Log Dual-Base Speed Metal Slide Rule Leather Case EARLY

$ 68.43 $ 41.06

VINTAGE AG NESTLER STUDENT SLIDE RULE, CASE, GERMANY, EQUIVALENTS ON BACK, 1950s

$ 7.87 $ 4.72

Vintage Dietzgen Cat #N1725 Slide Rule with Case

$ 43.98 $ 26.38

Vintage Pickett Speed Rule Model N803-ES Slide Rule w/ Original Leather Case

$ 30.79 $ 18.47

KEUFFEL & ESSER BEGINNER'S SLIDE RULE 4058 D no box VINTAGE

$ 8.79 $ 5.27

VINTAGE POST VERSALOG SLIDE RULE WITH LEATHER CASE 1460 HEMMI BAMBOO JAPAN

$ 32.55 $ 19.53

Pickett Eckel Model 800-T Log Log 10" Slide Rule w Leather Case and box Synchro

$ 57.2 $ 34.32

VTG PICKETT Model 14 Military Dual Base Log Log Slide Rule w/ Pouch & Booklet

$ 92.39 $ 55.43

Nice 11" K&E Keuffel and Esser Slide Rule Math Engineering Conversion Chart Rule

$ 8.79 $ 5.27

Vintage SIC Bamboo Slide Rule w/ Leather Case & Box #1510 Scientific Instruments

$ 43.99 $ 26.39

Keuffel & Esser K&E 4081-3 Log Log Duplex Decitrig Slide Rule with case 110738

$ 22.7 $ 13.62

vintage early SLIDE RULE: K & E N4058C wooden No Viewers,

$ 4.39 $ 2.63

Albert Nestler A-G No. 2 Slide Rule measurement wood vintage ruler measure #2

$ 21.99 $ 13.19

Keuffel & Esser Deci-Lon 68 1100 Slide Rule In Original Box And More

$ 127.6 $ 76.55

Vintage Gerber Variable Scale Slide Rule With Leather Case TP007100B Made in USA

$ 87.99 $ 52.79

Slide Rule logarithmic mathematical 1977 engineering USSR

$ 13.2 $ 7.91

Vintage Wade Rain Slide Rule Friction Loss factor Irrigation Main Line & Lateral

$ 17.59 $ 10.55

VINTAGE ESTATE DIETZGEN WOODEN SLIDE RULE w/SLEEVE

$ 7.03 $ 4.21

Weems Mark VII Dalton Aircraft Navigation Dead Reckoning Flight Computer

$ 13.64 $ 8.18

Vintage - Calculator Slide Rule - American Beauty Spaghetti -1961 - Blue

$ 8.75 $ 5.25

Vintage 11" Slide Rule 2-sided Dietzgen 1766 P in black box Made in Germany

$ 7.99 $ 4.79

ACU-MATH Mini Slide Rule - Model No. 1211

$ 6.59 $ 3.95

Keuffel & Esser Co Slide Rule & Paraglide w/ brochures

$ 26.39 $ 15.83

Vintage Keuffel Esser Slide Rule 4080-3

$ 8.75 $ 5.25

📐 Vintage A.W. Faber-Castell 111/54 DUPLEX Slide Rule

$ 43.56 $ 26.13

Vintage A.W.Faber Castell Slide rule A & W made in u.s.a.

$ 13.2 $ 7.91

Faber - Castell 67/39 Slide Rule + Leather case

$ 10.34 $ 6.2

Vintage 1947 Keuffel & Esser Co. 4181-1 Slide Rule 7 INCH

$ 35.2 $ 21.12

Keuffel & Esser K&E Slide Rule 681210 Log LogDupleX Decitrig 1947 Leather Case

$ 36.96 $ 22.17

Omite Little Devil EIA Standard/Resistor Color Paper Slide Rule Calculator, 1953

$ 7.87 $ 4.72

Very Early K&E 4041 Slide Rule with Metal Framed Cursor, Circa 1906-1914

$ 24.2 $ 14.52

Vintage Concise circular slide rule (Japan) No. 28 in case w/ Instructions NEW

$ 19.62 $ 11.77

Aristo Studiolog 0969 slide rule Germany 29 scales

$ 101.2 $ 60.72

Vintage Foxboro Flow Rule with Leather Pouch Cox and Stevens Aircraft Corp.

$ 17.6 $ 10.56

VTG THE Medical SLYD RULE Co. 1946 Flushing New York Apothecary Obstetric

$ 13.2 $ 7.91

Vintage LAWRENCE ENGINEERING SERVICE PERU INDIANA Slide Rule Ruler 10-B USA

$ 2.64 $ 1.58

Vintage OHMITE Little Devil - Resistor Color Coder. Printed in USA, 1971

$ 10.56 $ 6.33

Vintage Frederick Post Co Versalog Slide Rule #1462 Black Leather Case

$ 16.67 $ 10

VINTAGE UNISTRUT BEAM & COLUMN LOAD SELECTOR SLIDE CHART

$ 13.2 $ 7.91

Vintage SP Precision Sterling Slide Rule Made in USA 11" Green White Instruction

$ 17.55 $ 10.53

Vtg TELEDYNE POST Versalog #44CA-600 Bamboo SLIDE RULE Hemmi Japan w/Case 12.5"

$ 61.6 $ 36.96

Slide Rules: ARISTO Nr. 868 + ARISTO Nr. 867U // "GERMANY MADE"

$ 31.68 $ 19

Vintage Italy Ad Aluminum Circular Slide Rule - Electrical Engineering

$ 21.99 $ 13.19

VINTAGE 1971 FAHRENHEIT CELSIUS CONVERSION SCALE SLIDE RULE CHART

$ 7.39 $ 4.43

Vintage - Calculator Slide Rule - German Language -- Metal

$ 21.95 $ 13.17

Sterling No. 594 Decimal Trig Log-Log Slide Rule 1965 USA Plastic double-sided

$ 11.43 $ 6.85

Vintage Micronta Slide Rule No.150 + Leather Case Japan

$ 20.23 $ 12.14

Nuclear Blast / Atomic Burst Slide Rule! Cold War COOL! Open Fire With Atoms!

$ 10.56 $ 6.33

Vintage SANS & STREIFFE Bamboo Slide Rule #311 w/Leather Sleeve & Instruct Book

$ 39.59 $ 23.75

Vintage Art - Mil Machine & Mfg Inc Columbus Ohio Slide Rule case and box

$ 11.88 $ 7.12

1940’s Vintage Lawrence Engineering Service Slide Rule 250-BT ,Case Instructions

$ 11.39 $ 6.83

Vintage Pickett Model 500-ES Slide rule with case and manual

$ 16.71 $ 10.02

Pickett Trig Slide Rule

$ 16.72 $ 10.03

Vintage- KEUFFEL & ESSER-Wood- Beginner's Slide Rule 4058W -Very clean

$ 5.14 $ 3.08

Concise Ruler Circular Slide Rule No.300 100829 110mm

$ 43.12 $ 25.87

Very Rare Vintage Original Slide Rule KALIBR Circular Logarithmic Ruler

$ 176 $ 105.6

Vtg 1950's K&E - Keuffel & Esser Co. Engineers Slide Rule w/Leather Case 68 1524

$ 17.59 $ 10.55

antique pickett math ruler

$ 22 $ 13.2

Vintage Arithma Addiator Calculator Stylus Instruction Booklet & Case Germany

$ 30.8 $ 18.48

2- Yellow Pickett Microline No. 120 Slide Rule Engineering Math Tool w Case

$ 26.35 $ 15.81

Vintage Pickett Slude Ruler Trainer 1962 with Original Box

$ 13.92 $ 8.35

VINTAGE KEUFFEL & ESSER CO PLASTIC RULER IN NORTHERN VIRGINIA STEEL CORP CASE

$ 35.19 $ 21.11

Vtg Keuffel & Esser No. 4058 Student's Slide Rule w/ Case,

$ 28.11 $ 16.86

Vintage Keuffel & Esser Slide Rule with Case 12 inches long

$ 11.39 $ 6.83

Vintage Eugene Dietzgen Trigonometric Type Log Slide Rule 1732 w/ Case

$ 3.3 $ 1.97

Pickett All Metal N1010-ES Slide Rule w Case Manual & Box N 1010 Es

$ 29.92 $ 17.95

(B15) The Medical Slyd-rul Obstetric Calculator / Selector / Converter

$ 3.3 $ 1.97

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

$ 35.19 $ 21.11

Vintage Slide rule Pocket slide rule Rietz in case and box

$ 10.56 $ 6.33

Post Slide Rule Frederick Post Co. No. 1447, With Box

$ 7.04 $ 4.22

SIC Engineer's No.1530-A Technilog 12" Slide Rule + Leather Case, Box, Manual

$ 46.59 $ 27.95

Rare 8-inch Pickett N808-T Slide Rule - STANDARD MARINE FUELS (Chevron) N 808-T

$ 175.99 $ 105.59

USED CONCISE CIRCULAR ROUND SLIDE RULE No. 4028 ENGINEER CALCULUS DRAFTING TOOL

$ 21.99 $ 13.19

Vintage - Calculator Slide Rule - CAMCAR Metric Convertor 1973 Fasteners Screw

$ 7.03 $ 4.21

Engineering sliding ruler lot picket K&E Cenco Sun Hemmi x 6

$ 66 $ 39.6

Frederick Post Co. Versalog Slide Rule 1460 Hemmi Japan with Brown Leather Case

$ 24.62 $ 14.77

(B15) Sam's Tire Service Liters Gallon & Mileage Slide Calculator / Selector

$ 3.72 $ 2.23

Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator 1967 USSR

$ 35.2 $ 21.12

Vintage Pickett Model 300 Slide Rule Vector Type Leather Case

$ 15.84 $ 9.5

Vintage Picket & Eckel Slide Rule #272

$ 29.03 $ 17.41

Vintage INDECO 6" Mini Slide Rule, with leather sheath Socony Vacuum Oil Co.

$ 17.55 $ 10.53