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Vintage Aristo Electronic 10175 Slide Rule DBGM Germany 1958 Cleveland Institute

$ 32.51 $ 19.5

Cargill Corn Profit Calculator Advertising Slide Rule

$ 15.84 $ 9.5

Keuffel & Esser Polyphase N4053-3S Wooden 10" Slide Ruler Leather Case & Box

$ 26.4 $ 15.83

dietzgen round slide rule, 1930s, in green leather case and instruction manual

$ 39.59 $ 23.75

PICKETT SLIDE RULE - 80C-T Basic Sealed New!

$ 4.4 $ 2.64

Vintage 1968 Concise Transparent conversion table, periodic table model: STP

$ 11.44 $ 6.86

1958 Robbins Myers Propellair Fan Noise Slide Rule Calculator Ohio Instructions

$ 35.15 $ 21.09

Vintage Slide Rule by KEUFFEL & ESSER CO. (Slide Rule No. 4094) w/ Manual & Book

$ 70.35 $ 42.21

Vintage Soviet slide rule. Ideal condition. 1978. SN

$ 39.6 $ 23.76

Vintage General Cable Calculator For Rewiring.

$ 15.65 $ 9.39

GOULD Slide Rule Three Phase Type SCE E Plus Motors 1977

$ 10.39 $ 6.23

Vintage Keuffel & Esser Slide Rules / Rulers & Manuals, Models 4081-3 and 4181-3

$ 8.8 $ 5.28

Vintage Allen Engineering Scales Drafting Rulers With Case Copyright 1939

$ 2.63 $ 1.57

Loga 30Tt Swiss Made 360º Circular RULE Uster Schweiz Collectable

$ 52.8 $ 31.67

Vintage WALMET Feed & Speed Calculator Slide Rule for Turning Boring Milling

$ 8.58 $ 5.14

K&E KEUFFEL & ESSER Wood 20" 4053-5S Polyphase SLIDE RULE

$ 70.35 $ 42.21

Vintage Dietzgen Maniphase Multiplex Slide Rule Cat No 1732 w/Black Leather Case

$ 15.4 $ 9.24

Lot Of 9 Pickett Model 61 Slide Rule with Cases & Manuals

$ 44 $ 26.4

Pickett All American Quality Slide Rule 4 Ft Store Sign Or Classroom Use

$ 263.12 $ 157.87

*1952 Frederick Post Co 1460 Versalog Slide Rule with Original Case FSUS

$ 131.9 $ 79.14

Vintage 6" Pocket Slide Rule 601 Denmark Precision Products For Aviation In Case

$ 5.28 $ 3.16

Vintage A.W. Faber-Castell 57/89 Schul Slide Rule with Case box W. Germany

$ 23.76 $ 14.25

Vintage Post Versalog 1461L Slide Rule In Original Box W/Case & Paper 5”

$ 43 $ 25.8

Concrete, Lumber and Paint Calculator Slide Rule 1968 Kraft Concrete by I Taxel

$ 11.43 $ 6.85

Vintage Soviet Russian Wood Logarithmic Slide Ruler in Case Calculator RARE 1966

$ 23.39 $ 14.03

Vintage Soviet Russian Wood Logarithmic Slide Ruler Calculator USSR 1963

$ 5.84 $ 3.5

Vintage soviet chemical slide rule. 1979s. SN

$ 39.6 $ 23.76

Vintage, SDSM&T, Frederick POST VERSALOG No.1460 Slide Rule,Hemmi ,Bamboo w/Case

$ 43.99 $ 26.39

Vintage Slide Rule Chart - Mallory Headed Rivet Contact Selector - PERRYGRAF

$ 8.58 $ 5.14

VINTAGE PICKETT MICROLINE 120 ENGINEERING SLIDE RULE IN ORIGINAL CASE

$ 4.4 $ 2.64

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

$ 13.19 $ 7.91

WW2 German Slide ruler For map case RARE

$ 22 $ 13.2

Vintage Pickett & Eckel 12" and Frederick Post 5" Slide Rulers

$ 21.12 $ 12.67

A.W FABER Wooden Ruler 1931 German Antique Stamped With Cover

$ 132 $ 79.2

Vintage Engineering Logarithmic Math Circular Slide Rule KL-1 Calculator USSR

$ 13.2 $ 7.91

Vintage Lot of Slide Rulers & Cases - Most w/o Clear Window Slides - Non-working

$ 8.79 $ 5.27

1960 Carborundum Speed & Safety Slide Chart Slide Rule Perrygraf Corp Maywood IL

$ 8.96 $ 5.38

Vintage Keufel & Esser 40183 Slide Rule

$ 8.75 $ 5.25

Vintage Electrician RAPID MARK 3 CONDUIT SIZER Reference Calculator Round 4"

$ 15.4 $ 9.24

1959 PICKETT N1006-ES 6" All Metal Pocket Slide Rule & Leather Case

$ 21.56 $ 12.93

1955 PATHON HYDRAULIC SLIDE RULE CALCULATOR & OLD CONCRETE VOLUME COMPUTER LOOK!

$ 3.51 $ 2.1

Vintage Keuffel & Esser 9061-1 Slide Rule - with case + Shape Stencil

$ 8.79 $ 5.27

Vintage Keuffel & Esser 4055 Slide Rule - with case

$ 8.79 $ 5.27

Vintage K&E Keuffel & Esser NY Beginner Slide Rule 4058W with Case, Made in USA

$ 11.39 $ 6.83

Rare - Aristo (gwr) Ablage In Winkelsekunden 15" Long Slide Rule +Orig Case

$ 67.76 $ 40.65

LOT OF VINTAGE CALCULATOR/CONVERSIONS SLIDE & SYMBOLS PLATES

$ 9.67 $ 5.8

Vintage Eugene Dietzgen 553851 Slide Rule - without case (cracked glass)

$ 8.79 $ 5.27

Vintage Charvoz Aristo MultiLog 970 Slide Rule Case Germany W/ Box

$ 18.48 $ 11.08

Vintage Lawrence Engineering Service Slide Rule 10-B - with case

$ 8.79 $ 5.27

Keuffel & Esser 1947 K&E Slide Ruler Rule 681210 RARE with Original Sheath

$ 15.75 $ 9.45

Soviet VINTAGE Nuclear Bomb Effects Computer. Radiation Ruler USSR 1960's

$ 28.82 $ 17.29

Brand New Square D Motor and Transformer Data Calculator 2014 NEC

$ 7.48 $ 4.48

Vintage Keuffel & Esser Slide Rule

$ 9.24 $ 5.54

Pocket Versalog Slide Rule w/ Instruction Book in Original Box 23 Scales Vintage

$ 110 $ 66

DIETZEN Vintage WOODEN Slide Rule With 2 Sided Middle MADE In USA Missing Slide

$ 19.36 $ 11.61

NOS Vintage Frederick Post 1447 Slide Rule / Case & Instructions, Made in Japan

$ 8.8 $ 5.28

Eddy Current Test Frequency and Depth of Penetration Calculator Slide Rule

$ 22 $ 13.2

Giant Classroom Demonstrator Pickett N1010 Trig Teaching Slide Rule WE SHIP

$ 787.6 $ 472.56

Vintage Eugene Dietzgen 509320 Slide Rule - without case

$ 8.79 $ 5.27

Fairfield Engineering Company - Conveyor Belt Slide Rule Chart - 1957 Perrygraf

$ 7.61 $ 4.56

Vintage STANCOR Transformer Slide Rule & Mathematical Tables - 1945

$ 6.99 $ 4.19

1959 Pickett N 1006-ES 6" Aluminum Slide Rule & Leather Case

$ 26.4 $ 15.83

Vintage Pickett No. 101-C Dial Rule Circular Slide Rule w/ Case And Instructions

$ 57.2 $ 34.32

Vintage Keuffel & Esser Co. Heavy Duty Rolling Parallel Brass Ruler W/ Case,1756

$ 87.95 $ 52.77

Vintage ASKANIA Made In Germany (NR. 590272) For Optics Precision Tool

$ 88 $ 52.8

Vintage SOUTHDOWN Concrete Cement Calculator Slide Rule NICE!

$ 2.42 $ 1.45

Pickett 931 ES Slide Rule

$ 13.2 $ 7.91

12 Oversized Paper Smith Chart Forms Radio Transmission Line Analog Instruments

$ 70.35 $ 42.21

Vintage PICKETT N600-ES 6" Slide Rule with Leather Case - 1962

$ 69.52 $ 41.71

Vinatge Sterling USA Slide Rule No Model Number - without case

$ 8.79 $ 5.27

Aristo Scholar 0903 Slide Rule DBGM Cover Original Box

$ 14.07 $ 8.44

METAL Pickett SLIDE RULE 1010-T & TRIANGLE SCALE Ruler

$ 8.79 $ 5.27

Vintage Measurement Converter - © 1972 Perrygraf Slide Rule - Puritan-Bennett

$ 4.79 $ 2.87

CONCISE 28N Circular Slide Rule with instructions and case

$ 14.08 $ 8.44

Post #1450 Versatrig by Hemmi + Leather Case + 17 Scales

$ 21.12 $ 12.67

Vintage - Yellow PICKETT Microline No 120 Student 10" Slide Rule In Great Condit

$ 22 $ 13.2

Vintage Pickett Electronic N-515-T Slide Rule + Damaged Case Cleveland Institute

$ 21.95 $ 13.17

Vintage Dietzgen No.1765P Basik 10" Slide Rule

$ 13.2 $ 7.91

IDEAL BASIC INDUSTRIES CONCRETE QUANTITY CALCULATER

$ 5.27 $ 3.16

Vintage Round Slide Chart Lathe Job Time Computer © 1913 Lodge & Shipley Company

$ 9.46 $ 5.67

Fuji Yamayo Slide Rule - For Tape Measures - Temp, Sag, Tension Change

$ 109.99 $ 65.99

Vintage Keuffel & Esser K&E Deci-Lon 10 Slide Rule w/ Leather Case 1947, 1961

$ 74.8 $ 44.88

Sun Hemmi Slide Rule | Planing-Turning-Milling-Cutting Times | Homma Metal Works

$ 15.83 $ 9.49

Vintage Slide Rule PICKETT Model N1010SL-T Super Power Trig With Leather Case

$ 52.75 $ 31.65

RARE Pickett N500ES HI log speed rule slide rule New in BOX

$ 70.4 $ 42.24

Vintage LUTZ # 102-S SLIDE RULE with LEATHER CASE

$ 14.04 $ 8.42

Vintage Lawrence Wood Slide Rule 10-B in Original Box, c.1942

$ 8.79 $ 5.27

Vtg English Metric Converter Slide U.S. Dept Transportation TEMPERATURE Pressure

$ 7.51 $ 4.5

KEUFFEL & ESSER BEGINNER'S SLIDE RULE 4058C W/BOX VINTAGE

$ 13.72 $ 8.23

Vintage 1952 Parco O-Ring Data Chart Slide Rule Series 6230 & 6227 - PERRYGRAF

$ 11.22 $ 6.73

Vintahe Sterling Trig Log 1965 Slide Rule No Model Number - without case

$ 8.79 $ 5.27

4 Engineering Instruments Slide Rule With Measurements On Backside

$ 48.61 $ 29.16

Vintage Soviet Russian Wood Logarithmic Slide Ruler Calculator USSR 1970

$ 5.84 $ 3.5

Vintage Soviet slide rule. original. 1970s. 34752

$ 30.8 $ 18.48

Vintage 1950's 21" Keuffel & Esser N- 4096 Slide Ruler Red Numbers leather Case

$ 102.3 $ 61.38

Vintage Soviet Alidad. Full set .USSR. Original

$ 105.6 $ 63.35

Frederick Post Co. Versalog 1460 Bamboo Hemmi Slide Rule, Made in Japan

$ 110 $ 66

Vintage Pickett Microline 140 Slide Rule with Case

$ 13.2 $ 7.91

The Slide Rule by Lee H. Johnson Sixth Printing 1958

$ 66 $ 39.6

Vintage Prestolog Profitmeter Profit Calculator Slide Rule Wheel Meter ©1924 NOS

$ 22 $ 13.2