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Circular Slide Rule


Pickett Circular Slide Rule Model 109ES

$89.99


Vintage Concise Circular Slide Rule No. 28 with Cover & Manual

$12.50


Vintage Concise No 270 Circular Slide Rule Japan

$20.00


Concise Science Tables & Circular Slide Rule Model 600-CE Sama & Etani 1968

$35.00


Motorola branded Concise No. 28 N circular slide rule with pouch

$35.00


Concise Instruments Circular Slide Rule with Periodic Table, Formulas, Tables +

$14.95


Vintage 1950's Draftsman or Engineering Circular Slide Rule w/original Case USA

$34.99


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

$31.99


Concise Duplex Circular Slide Rule No. 270N, Instructions & Vinyl Case

$36.00


1967 Concise Sama & Etani Model CTCS-552 Circular Slide Rule Allis Chalmers Logo

$31.99


Vintage Circular Slide Rule / Calculator CONCISE No. 28 N Japan, Shell Oil

$45.00


Controller Circular Slide Rule. 110cm(4½") Diameter. Metal. 4 Scales. Germany.

$48.00


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

$31.99


General Industrial paper circular slide rule 1959

$10.00


SHIPS FREE-Vintage Circular Slide Rule+flow, velocity,energy,volume,etc.FACTORS

$39.00


#1 of 19, RARE VTG 1972 "TOWNSEND/TRS CIRCULAR SLIDE RULE" QUICK CONVERSION #'s

$19.99


Vintage 1969 Sama & Etani Reference Tables and Circular Slide Rule Nupro

$35.99


VINTAGE LOGOMAT MINI 2001 world smallest CIRCULAR SLIDE RULE WITH POUCH

$65.00


Engineer Logarithmic Mathematical Circular Slide Rule KL-1 1965 USSR

$35.95


TRÖGER XL CIRCULAR SLIDE RULE GERMAN CSR

$59.50


5 Circular Slide Rule Lot Concise 280 CTCS-552 SIC Professional 250 Manual Case

$100.00


VINTAGE 1961 USAF ATTACK COMPUTER CIRCULAR SLIDE RULE INSTRUCTIONS! WEAPONS NEWS

$59.99


Dietzgen Binary Circular Slide Rule with Instructions and Electrical Stencils

$89.89


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

$63.55


Logarithmic Circular Slide Rule KL-1, Vintage 1960s Soviet USSR, two sides #949

$60.00


1934 MASCOT CIRCULAR SLIDE RULE

$45.00


Pickett Circular Mark-up Calculator and Slide Rule Model 103ES Vintage 1980s

$42.50


SAKRETE Sand Concrete Mix Circular Slide Rule Calculator

$14.99


BELL SYSTEMS GUY RULE CIRCULAR SLIDE RULE

$49.99


Vtg 1952 Greenlee Tools Co Handy Calculator Circular Slide Rule

$9.99


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

$999.99


VINTAGE ESSO CIRCULAR ADVERTISING MARINE SLIDE RULE 1955

$24.99


New Stadia Computer Circular Slide Rule+original pack. USA - C Thru Ruler Comp.

$19.99


BIG CIRCULAR SLIDE RULE NORMA MERKURIA 190 DBGM #9

$66.90


Antique HALDEN CALCULEX -Circular Slide Rule by J. Halden Co Tables Book

$39.00


Vintage Concise Micro Switch Circular Slide Rule in Case Made in Japan

$29.99


BIG CIRCULAR SLIDE RULE NORMA GRAFIA 190 DBGM #5

$56.90


"TIME SAVER" CIRCULAR SLIDE RULE AND REFERENCE TABLE

$11.00