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Vintage Pickett Slide Rule With Case

$ 13.2 $ 7.91

Faber - Castell 1/87 Rietz Slide Rule and Hard Case - 13 Scales

$ 12.76 $ 7.65

Boiler Efficiency & BTU cost calculator 1950 Graphic Calculator Co Chicago /case

$ 2.53 $ 1.52

VINTAGE 1946 WESIX WIREDHEAT CALCULATOR SLIDE CHART

$ 17.6 $ 10.56

Metric Inch Slide Chart ~ Abrams Aerial Survey Corporation 1971 Advertising

$ 11.39 $ 6.83

Pickett All Metal Slide Rule. Model N-ES. 1960

$ 66 $ 39.6

Vintage Pickett N600 ES Slide Rule 6 Inch Log Log Speed Rule with leather case

$ 74.8 $ 44.88

Highlighting Bar, Sterling Slide Rule, Teledyne Post

$ 0.87 $ 0.52

VINTAGE FREDERICK POST #1446 HEMMI SLIDE RULE IN FAUX LEATHER CASE

$ 4.84 $ 2.9

SUM HEMMI or Pickett All Metal Slide Rule with Box

$ 20.23 $ 12.13

Vintage Frederick Post 1447 Hemmi Slide Rule in Original Box

$ 15.82 $ 9.49

Lot-3 Vintage STERLING SP Engineering Slide Rules in Case #587 & Precision SEE

$ 8.79 $ 5.27

The Slide Rule, The Practical Manual by Charles N. Pickworth Book on CD

$ 5.5 $ 3.3

Compass #1321 12 in. Slide Rule w/ case, Japan

$ 17.59 $ 10.55

Vintage FREDRICK POST Student Slide Rule # 1447 JAPAN

$ 9.67 $ 5.8

Vintage Slide Rule Tie Clip Slide & Cursor Move Mathematician Engineer Bar Clasp

$ 14.95 $ 8.97

Vintage Pickett 12” Synchro-Scale 800-ES Slide Rule & Original Leather Case

$ 26.39 $ 15.83

Vintage Pickett Slide Rule model 902 ES SIMPLEX TRIG copyright 1960 original box

$ 29.03 $ 17.41

Vintage Keuffel & Esser Slide Rule N4053-3 US Leather Case K&E Wood Made in USA

$ 8.75 $ 5.25

VINTAGE DIETZGEN MIDGET SLIDE RULE W/ INSTRUCTION GUIDE & CASE 1930's

$ 39.59 $ 23.75

Sterling #651 Metric Converter Slide Rule - NOS

$ 10.51 $ 6.3

Vintage Keuffel & Esser K&E 4092-3 Log Log Duplex Decitrig Slide Rule Case USA

$ 11 $ 6.6

Hemmi No. 266 "Electronics" Slide Rule. Duplex. Bamboo. 28 Scales. Excellent.

$ 220 $ 132

Vintage Metric Conversion Slide Rule - © 1977 - Metrics Made Easy - Hudson,Wi

$ 6.16 $ 3.69

LAWRENCE ENGINEERING Keuffel & Esser Fluor Slide Rules and K & E 4071 4070 Books

$ 15.83 $ 9.49

VINTAGE Slide Rule Dietzgen  No. 1767 Made in U.S.A

$ 5.86 $ 3.51

Vintage Pickett Metal Slide Rule Simplex Trig N902-ES w/ Case

$ 10.56 $ 6.33

W M Welch Scientific Company No. 250B 6-inch Scale Pocket Slide Rule - Vintage

$ 8.8 $ 5.28

Vintage Frederick Post Co. 1447P Hemmi Slide Rule with Hard Case/Instructions

$ 18.92 $ 11.35

Vintage Pocket Slide Rule Pedigree Precision Rule Made By Empire

$ 14.95 $ 8.97

Vintage 1974 US Naval Reserve Payrule Cardboard Slide Calculator Drill Flight

$ 11.41 $ 6.84

Slide Rule How To Use It Instruction Manual by Calvin C. Bishop 1955 Paperback

$ 9.24 $ 5.54

VINTAGE EUGENE DIETZGEN POLYMATH MULTIPLEX Decimal TRIG LOG SLIDE RULE N1733

$ 30.79 $ 18.47

2 Vtg 1961 DANIEL "Steam-Liquid" Orifice Flow Calculators, LA, CA

$ 16.72 $ 10.03

Vintage Slide Ruler Advertising Concrete Volume Computer 1966 Dewey Rocky Mnt

$ 8.75 $ 5.25

Logarithmic Ruler KL-1 Round Lineup Calculator in BOX Slide Rule Rare USSR 1969

$ 30.8 $ 18.48

KEUFFEL & ESSER K&E 10 #4097 D 6” SLIDE RULE Brown Leather case Vintage 065602

$ 17.6 $ 10.56

Pickett Circular Slide Rule Mark-up Calculator Model 103ES

$ 39.6 $ 23.76

Keuffel & Esser Log Log Duplex Decitrig Slide Rule Leather Case 4081-3 General’s

$ 22.4 $ 13.44

Vintage Sun Hemmi Frederick Post Bamboo Slide Rule No. 1462H Case

$ 8.79 $ 5.27

LeBlond Machine Tool Machining Calculator & RPM and Time Calculator

$ 8.79 $ 5.27

Vintage Keuffel & Esser K+E 4181-3 Slide Rule 1947 Vintage

$ 12.66 $ 7.59

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

$ 307.95 $ 184.77

Vintage SP Precision Sterling Slide Rule USA Engineering Tool 

$ 10.28 $ 6.17

1968 Fischer & Porter Rotameter Sizing Factor Slide Rule Glass/Metal tube meters

$ 4.4 $ 2.64

Vintage USSR Slide Rule 1969s Calculator Mathematical Soviet Original Instrument

$ 26.39 $ 15.83

Vintage K&E Keuffel & Esser Co. Beginners Slide Rule Model N4058W With Case @

$ 8.79 $ 5.27

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

$ 9.68 $ 5.8

Vintage Gibson radio rule w7dwg circuit diagrams in sleeve template electronic

$ 8.79 $ 5.27

Vintage SP PRECISION STERLING SLIDE RULE White Plastic Red/Black Scale MADE USA

$ 11.44 $ 6.86

Emil Tröger slide rule disk Mylau i.Vogtl. DRGM 227046 1920ties

$ 34.32 $ 20.59

Lawrence 10" Slide Rule Original Box Made in USA Wooden READ #22G

$ 7.91 $ 4.74

VTG Pickett Microline 120 Student Trainer Slide Rule w/ Sheath White Plastic

$ 11 $ 6.6

Vintage PICKETT TRAINER Model 120 Slide Rule with Case In Great Condition

$ 17.6 $ 10.56

VINTAGE SLIDE RULE AND CARDBOARD CONTAINER-MADE IN JAPAN-FREDERICK POST CO #1447

$ 4.4 $ 2.64

Republic Steel Metals Weight Calculator - Slide Rule

$ 8.79 $ 5.27

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

$ 22 $ 13.2

Dietzgen #1737 Slide Rule Decimal Trig Type Log Log & Case & Extra

$ 30.8 $ 18.48

Vintage KEUFFEL & ESSER SLIDE RULE & CASE K E VG READ

$ 13.19 $ 7.91

Vintage Scientific Instruments Co. Pocket Slide Rule: SIC #1020 1961

$ 21.12 $ 12.67

PICKETT Model N902-ES 902 SIMPLEX TRIG Used Made In U.S.A. Black Leather Case

$ 32.11 $ 19.27

Vintage Pocket 6 Inch Slide Rule No 27 w/plastic case & decimal equivalents

$ 8.79 $ 5.27

Heat Load Calculator for Electrical Enclosures Slide Chart Sizing Guide Vortec

$ 10.36 $ 6.21

Vintage Dietzgen Slide Rule and Leather Case

$ 15.47 $ 9.28

The Frederick Post Co. No. 1446 slide rule with case. Made in Japan. SUN HEMMI

$ 7.87 $ 4.72

Keuffel & Esser Co. K & M Polyphase Slide Rule 4051 20" Antique Vintage

$ 70.39 $ 42.23

Vintage Bruning # 2401 6" Slide Rule with Leather Case

$ 8.75 $ 5.25

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

$ 42.24 $ 25.34

Pickett Slide Rule Microline 120 w/ Instructions Carrier w/ITL Miniature Rule

$ 6.99 $ 4.19

Slide Rule Dietzgen 1768-P NIP Instruction booklet Maniphase slide ruler

$ 22.87 $ 13.72

Vintage Pickett 1948 Model 500-T Ortho Phase Log Log Slide Rule in Leather Case

$ 16.67 $ 10

Slide Chart Volumetric Cost Slide Scale Specific Gravity Per Pound Rule Vintage

$ 12.31 $ 7.38

Shure Brothers Reactance Slide Rule Calculator

$ 26.39 $ 15.83

K&E 4083-3 Log Log Duplex Duplex Vector Slide Rule with 21 Scales

$ 14.03 $ 8.42

K&E Keuffel & Esser Slide Rule 10 Deci-Lon Model 68 1100 w/ Leather Case

$ 64.19 $ 38.51

Slide rule rectangular

$ 8.79 $ 5.27

Vintage 1982 Oil & Gas Peco Perry Equipment Steam & Liquid Flow Slide Rule Chart

$ 17.59 $ 10.55

Vintage Bamboo Relay Slide Rule No. 403

$ 10.55 $ 6.33

Keuffel & Esser DECI TRIG 68 1210 Slide Rule & Leather Case c 1947 EUC

$ 39.6 $ 23.76

Antique Vintage K&E 48-1617 Slide Rule & Case 11' Keuffel & Esser Ruler

$ 30.8 $ 18.48

Vintage Rare Slide Rule IWA 5125 Germany made

$ 16.71 $ 10.02

Vintage Keuffel & Esser KE Co. Slide Rule K-12 Prep Ruler 681892

$ 14.07 $ 8.44

Vintage Acumath Slide Rule 400 Leather Case USA

$ 7.04 $ 4.22

VINTAGE pocket Slide Rule 6 in Keuffel Esser K&E 4097 D #130857

$ 11 $ 6.6

PICKETT VINTAGE SLIDE RULE & PICKETT LEATHER CASE Made In USA 6” Length

$ 14.52 $ 8.71

Vintage 1942 TRIG-EASY SLIDE RULE -- E.H. NEEDHAM -- DIETZGEN CO. U.S.A.

$ 13.18 $ 7.9

F. W. DWYER MFG. Co. SLIDE RULE AIR Velocity Calculator HVAC 1957 VINTAGE Prop

$ 11.39 $ 6.83

Vintage Pickett Microline 120 Slide Rule, case, and instructions

$ 17.6 $ 10.56

VINTAGE SP PRECISION STERLING SLIDE RULE MADE USA WHITE PLASTIC With Case Good C

$ 17.6 $ 10.56

Acu-Math Mannheim Slide Rule Model 400B 10-Inch with Operating Instructions

$ 13.2 $ 7.91

Relay NO. 150 Slide Rule, 1950's EXCELLENT USED CONDITION

$ 15.84 $ 9.5

Pickett Microline 120 Sliding Rule White Plastic No Case or Clear Indicator

$ 4.39 $ 2.63

A. T .& T. Telephone Guy Wire Circular Slide Rule Calculator (Plastic)

$ 13.15 $ 7.89

Keuffel & Esser Co. Slide Rule #4092-3 with Leather Case 1924

$ 22 $ 13.2

Pickett 803-ES Log Log Slide Rule Original Instructions And Leather Case

$ 43.95 $ 26.37

Rare Gabel Larchmont NY #652 Stainless Slide Reproduction / Scale Ruler 16"

$ 15.84 $ 9.5

Made in Germany Pocket Aristo Studio Nr. 868 Slide Rule

$ 87.99 $ 52.79

Pickett Student Microline 120T + Original Case

$ 8.14 $ 4.88

Pickett Slide Rule Model N902-T Simplix Trig *All Metal* Made In USA

$ 17.59 $ 10.55

Vintage Lutz No.252 Slide Rule Excellent Condition with Leather Case See Descrip

$ 19.31 $ 11.58