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Vintage Pickett Microline 140 Slide Rule W/ Case Ruler Instructions Made in USA

$ 21.95 $ 13.17

Gerber Variable Scale Model TP007100B in Leather Case

$ 87.12 $ 52.27

Vintage New 10 Inch Senior STERLING Slide Rule with Case & Inst Manual Model 589

$ 8.71 $ 5.22

Vintage lot of Slide Rules, Scales, Concrete calculators, Pencils & Etc. M20

$ 17.59 $ 10.55

Vintage The Ballantine Rule DB-Ratio Conversion, Volts-DB Power, Slide Rule 1953

$ 6.15 $ 3.69

K&E Keuffel & Esser Polyphase 4053-3S Slide Rule Case Box

$ 13.93 $ 8.35

VINTAGE 1965 UNIVERSAL RELAY CORP SLIDE RULE CHART

$ 56.31 $ 33.78

Vintage Soviet slide rule. USSR. Original 2

$ 34.32 $ 20.59

Concise ruler Circular calculation scale Days 480 100836 105mm new Japan

$ 47.91 $ 28.74

PICKETT MODEL N902-T SIMPLEX TRIG SLIDE RULE WITH CASE AND MANUAL

$ 12.31 $ 7.38

K & E Keuffel & Esser Slide Rule N 4063-3 Leather Case

$ 8.79 $ 5.27

Lot of 5 slide charts and conversion factors

$ 3.74 $ 2.24

VINTAGE KEUFFEL & ESSER 4081 4083 MANUAL LOT

$ 17.55 $ 10.53

Vintage Empire Precision Slide Rule And Precision Sterling Slide Rule w/Books

$ 12.32 $ 7.39

Vintage Engineers Pickett 160 Microline Slide Rule with Original Leather Sheath.

$ 22.79 $ 13.67

Vintage Gerber Scientific Variable Scale Model TP007100B Leather Case 12” inches

$ 70.39 $ 42.23

Motor Data Slide Chart

$ 18.26 $ 10.95

Sun Hemmi Bamboo Slide Rule No. 259 with Original Case Japan Engineering Tool

$ 43.99 $ 26.39

Vintage 1960s General Electric Radiation Calculator w/ Example Problems

$ 32.56 $ 19.53

K&E 4053-3 Slide Rule, 11 Scales, 10 1/2" Long + Leather Case

$ 14.52 $ 8.71

Historic antique vintage Albert Nestler slide ruler Germany 1906 patent 173660

$ 99 $ 59.4

Vintage Tec Magnetics DC Solenoid Calculator Force Stroke Data Chart dq

$ 21.11 $ 12.66

Vintage Soviet slide rule. USSR. Original

$ 30.8 $ 18.48

VINTAGE Prayer Arabic edition - made in USA 1985 مواقيت الصلاة seem be new

$ 246.4 $ 147.84

Pickett All Metal Slide Rule With Hard Leather Case Model N-500-T Log SLide

$ 25.51 $ 15.3

ACUMATH SLIDE RULER No.400. Made in U.S.A.

$ 11.43 $ 6.85

4 VINTAGE PICKETT SLIDE RULES ONE - ALL METAL N902-ES & THREE 120’S WITH CASES

$ 17.6 $ 10.56

Vintage German ARITHMA ADDIATOR Calculator w/ Original Case, (Lot of 2)

$ 26.4 $ 15.83

Allen Head Pressur-Formd Cap Screws 1961 Slide Rule Calculator Socket Set Screw

$ 8.8 $ 5.28

Sun Hemmi Bamboo Model 259 Engineering Slide Rule with Leather Case Japan Made

$ 33 $ 19.8

Very Rare Post Model 1491 Slide Rule For Chemical Engineers--Sun Hemmi 257

$ 439.95 $ 263.97

VINTAGE METAL WORKING TOOL 1977 KENNAMETAL MACHINING CALCULATOR

$ 56.31 $ 33.78

Pickett Slide Rule Model 4-T Dual Base Log Log Synchro-Scale W/ Leather Case

$ 24.55 $ 14.73

ARISTO Rietz Nr. 89 Vtg Small Slide Rule Leather Case Made In Germany

$ 15.84 $ 9.5

Albert Nestler Nr.23 Rietz Slide Rule +Orig Case

$ 22 $ 13.2

VINTAGE ENGINEERING INSTRUMENTS SLIDE RULE NO. 250V IN ORIGINAL CASE

$ 2.64 $ 1.58

Huge 84" PICKETT SLIDE RULE N1010ES Demonstration Training Trade Shop Store Sign

$ 879.97 $ 527.98

Sama Etani Tables Circular Slide Rule Sleeve Manual Management Center Cambridge

$ 35.19 $ 21.11

Vintage Large Keuffel & Esser Duplex Decitrig Slide Rule 4081-3 Leather Case

$ 12.76 $ 7.65

Aristo Aviat 616 Air Navigation Slide Rule with Case Germany

$ 39.6 $ 23.76

Vintage White Pickett Microline 140 Slide Rule with Black Case

$ 17.6 $ 10.56

Pickett and Eckel 1959 n4-t vector type log log dual base speed rule Chicago

$ 52.79 $ 31.67

Vintage Lawrence Deluxe Slide Rule 10-B in Original Box - No Cursor Lens

$ 5 $ 3

Vintage Slide Rule Keuffel & Esser Co. N.Y. with Leather Case 4053-3S Polyphase

$ 11.43 $ 6.85

Vintage Pickett Model N1010-ES TRIG Slide Rule Ruler in Leather Case

$ 8.8 $ 5.28

Rare Vintage COLD WAR ESM / ELINT Slide Rule Calculator - Electronic Warfare

$ 8.79 $ 5.27

Dietzen Slide Rule with leather case, copyright 1954, in excellent condition!

$ 17.6 $ 10.56

Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR

$ 17.6 $ 10.56

Vintage Pickett model N902-es Simplex Trig Slide Rule w/ Box, Case & Manual

$ 43.99 $ 26.39

Vintage Hemmi Slide Rule #30 W/Original Box Leather Case Very Nice See Pictures

$ 35.19 $ 21.11

Slide Rule for Computing Radioactivity Decay Factors Defactor Calculator Herson

$ 35.2 $ 21.12

Vintage Jan. 1955 Frederick Post Versalog 1460 Hemmi Japan Bamboo F4 Slide Rule

$ 87.99 $ 52.79

Jorgensen Universal Circle Metric Converter Pencil Cup Calculator Advertising

$ 8.79 $ 5.27

Dietzgen No 1767 National Slide Rule With Case And Instruction Manual

$ 8.79 $ 5.27

1983 Vintage AMERICAN SLIDE-CHART HEAT & ENERGY LOSS CALCULATOR DALLAS TX

$ 8.79 $ 5.27

Vintage Slide Rule Keuffel & Esser 401181 20.5in Long Dept of Agriculture Wood

$ 120.12 $ 72.07

NEW PS 80 PROPORTIONAL SCALE BY THE C-THRU RULER COMPANY

$ 5.27 $ 3.16

Vintage 12" Dietzgen No. 1767 Slide Rule one-sided in brown vinyl slip case

$ 7.29 $ 4.37

Post 1452W Universal Slide rule Frederick Post Co. Hemmi Japan

$ 8.8 $ 5.28

Hemmi No.255D Electrical Communications Slide Rule. Bamboo.

$ 73.92 $ 44.35

Antique 1912 BTU Company Steam Slide Rule

$ 263.99 $ 158.39

VINTAGE Made in DENMARK DIWA number 351 DARMSTADT SLIDE RULE & LEATHER CASE

$ 22.88 $ 13.72

Acumath #1240 Slide Rule in pouch

$ 8.79 $ 5.27

Vintage 1969 Sama & Etani Circular Slide Rule

$ 31.67 $ 19

Concise Ruler Circular Slide Rule No. 300 100829 110mm JAPAN

$ 46.45 $ 27.87

Norma D.R.M. 1613834 slide rule in metal 1920ties

$ 25.52 $ 15.31

Vintage Prestolog Profitmeter Profit Calculator Slide Rule Wheel Meter © 1935

$ 14.07 $ 8.44

Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR

$ 30.8 $ 18.48

Stone, Concrete, Asphalt Aggregate Slide Rule Calculator

$ 7.87 $ 4.72

K & E Mannheim Vintage Slide Rule N4041 with Original Case Keuffel/Esser Co.

$ 26.4 $ 15.83

Vintage Dietzgen No.1767 National Slide Rule 10" With Manual USA MADE

$ 9.67 $ 5.8

Vintage Teledyne Post Slide Rule Versalog II #44CA-600 Bamboo W/ Case

$ 66 $ 39.6

VINTAGE PICKETT MICROLINE 120 ENGINEERING SLIDE RULE IN ORIGINAL CASE

$ 0.87 $ 0.52

Ohmite Parallel Resistance Calculator & Ohm's Law Calculator - 1949

$ 8.79 $ 5.27

Sun Hemmi Japan Slide Rule No.260 bamboo With Original case

$ 110 $ 66

Vintage KE Keuffel & Esser Slide Rule - 4081-3 - Log Log 10" w case & manual

$ 26.39 $ 15.83

Lafayette Slide Rule Model F-428 w/Leather Case Vintage Excellent

$ 48.4 $ 29.04

KEUFFEL & ESSER SLIDE RULE - POLYPHASE 4053 - w/ BOX, CASE, & MANUAL - no glass

$ 11.44 $ 6.86

Vintage PICKETT TRAINER Model 120 Slide Rule w/ Case

$ 7.91 $ 4.74

Vintage Keuffel & Esser Slide Rule 4053-3 Hard Leather Case USA

$ 8.36 $ 5.01

Addiator UNIVERSAL Standard Model Pocket Adding Machine

$ 15.79 $ 9.47

Vintage Federick Post Sun Hemmi Made in Occupied Japan 1460 Slide Rule w/Case

$ 35.2 $ 21.12

Ohmite Ohm's Law Calculator Slide Chart 1946 EUC!

$ 13.19 $ 7.91

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

$ 8.79 $ 5.27

Range Computer 6" Diameter - unknown manufacturer

$ 6.6 $ 3.95

Vintage Dietzgen Wooden Slide Rule Ruler With Leather Case - Made in USA!

$ 17.59 $ 10.55

(B4) Rhodes & Jamieson LTD. Concrete Quantity Slide Calculator / Selector

$ 3.3 $ 1.97

Vintage 1950's Polish SKALA Simplex Pocket Slide Rule Poland with Leather Pouch

$ 8.79 $ 5.27

Vintage Keuffel & Esser Slide Rule 4181-3 With Case

$ 88 $ 52.8

Vintage Sterling Slide Rule, w/ Black Protective Pouch & Instructions

$ 12.31 $ 7.38

Vtg. Aristo Multilog - Germany Slide Rule - Nr. 0970 - In Box

$ 17.55 $ 10.53

HOLO-CHROME Co. SOCKET SCREW SELECTOR Calculator Machinist

$ 2.63 $ 1.57

Ohmite Parallel Resistance Calculator Slide Rule OHM'S Law 1961

$ 8.79 $ 5.27

Clip-on Non-folding magnifier 4085B K&E Co NY Keuffel Esser Cursor Slide Rule

$ 87.11 $ 52.26

1947 Keuffel & Esser K&E N4080-3 Log Log Duplex Trig Slide Rule w/ Leather Case

$ 30.75 $ 18.45

Sans & Streiffe #310 Slide Rule - With RARE BLACK Ricoh-Style Case--NIB!

$ 44 $ 26.4

Vintage Dalton Dead Reckoning Computer Type E-6B Slide Rule Instructions Weems

$ 17.6 $ 10.56

Vintage Keuffel & Esser Slide Rule with Leather Case 12 inches long, measures 10

$ 10.55 $ 6.33

Concrete Volume Computer 1968

$ 21.99 $ 13.19

Vintage K&E Slide Rule Model 68-1251 With Leather Case

$ 17.59 $ 10.55