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Circular Slide Rule


Concise Circular Slide Rule 28N Vintage Case Instructions Made in Japan 28 N

$24.99


Concise Circular Slide Rule  No 28 with manual by Takeda

$20.00


A.T.&T.CO. GUY RULE CIRCULAR SLIDE RULE

$14.99


Pickett Circular Slide Rule Model 108 ES With Case

$49.99


Concise No.260 Circular Slide Rule Excellent

$35.00


Vintage Fearns Tank Capacity Circular Slide Rule Fearns Calculator

$36.00


Troger Circular Slide Rule. 11½" Diameter. 2 Scales. Germany. Good Condition.

$32.00


Vtg 1940 "The Binary Slide Rule" Round Circular Made in the U.S.A. 8.25" w/Case

$39.99


Aristo No. 0602 Circular Slide Rule. 3 Scales. Plastic. Perfect Condition.

$40.00


Fractron Circular Slide Rule Vtg Fraction Of An Inch Adding Machine Calculator

$79.99


Logomat Circular Slide Rule. 48mm(1-7/8") Diam. Metal. 4 Spiral Scales. Germany.

$83.00


Finish Engineering Sama Etani Circular Slide Rule Reference Tables Concise

$19.97


Rare Howard Ackerman Farmers 1937 Circular Slide Rule

$29.99


FXR Inc. Circular Slide Rule & 4 Slide Rule Calculator - Ohmite Shure Ballantine

$69.00


General Electric Countermeasures Calculator circular slide rule + Instruct. Book

$51.49


Hemmi No.1002 Circular Slide Rule. 4 Scales. Plastic. Case & Instruc. Excellent.

$130.00


CONCISE SCIENCE TABLES AND CIRCULAR SLIDE RULE SAMA & ETANI 1968 Complete

$28.95


(B4) Concise Brown & Root Model CTCS-552 Circular Slide Rule

$20.00


PICKETT Dial Rule CIRCULAR SLIDE RULE Model No 101- C Manual Pouch LIETZ #3077

$49.99


Allegheny Plastics CIRCULAR SLIDE RULE & Instructions 4 ¼” Diameter Original Pkg

$20.00


Vintage Concise Circular Type E Slide Rule Blue Cover

$25.00


VINTAGE LOGOMAT MINI 2001 world smallest CIRCULAR SLIDE RULE WITH POUCH

$99.00


Vintage Slide Rule KL-1 Russian USSR Engineer Logarithmic Mathematical Circular

$27.00


Vintage Sama & Etani Circular Slide Rule For NALCO

$29.99


Vintage Soviet circular slide rule KL-1 USSR Calculator USSR CCCP

$35.99


1966 Concise Conversion Tables & Circular Slide Rule Model EE-112

$22.99


Vintage 5.5" Circular Slide Rule Calculator SIZE FINDER PERCENTAGE SCALE

$14.95


Northrop Nortronics Branded Concise No. 28 Circular Slide Rule w Pouch Japan

$26.00


1966 Concise Sama & Etani Model EE-112 Circular Slide Rule AC General Products

$31.99


Large Vintage Circular Slide Rule Unbranded 12" RARE

$72.25


BELL SYSTEMS GUY RULE CIRCULAR SLIDE RULE

$49.99


VINTAGE ESSO CIRCULAR ADVERTISING MARINE SLIDE RULE 1955

$18.74


Vintage Dietzgen Circular Atlas Slide Rule w Manual Book + Leather Sleeve Cover!

$79.97


Vintage 12" Circular Slide Rule BRIX R.S.D. PURITY COMPUTER wine alcohol

$59.81


Vtg 1952 Greenlee Tools Co Handy Calculator Circular Slide Rule

$9.99


Vintage slide rule circular Cleveland Twist Drill co Drill speeds

$15.00


Pair circular slide rule PROFIT CALCULATOR Murray C French/American Pad

$12.11


1957 CONVAIR F-102A DELTA DAGGER PERFORMANCE CIRCULAR SLIDE RULE! CONFIDENTIAL!

$899.00