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Circular Slide Rule


Vintage Concise Circular Slide Rule No. 28N Made in Japan Johnston Pump

$9.99


Vintage 1922 Gilson Circular Slide Rule with Case

$9.95


Vintage Concise Conversion Tables & Circular Slide Rule #552

$7.16


Pickett Circular Slide Rule Model 107ES

$40.00


vintage Concise model CTCS-552 circular slide rule w/case & Monsanto logo

$10.50


Rare Howard Ackerman Farmers 1937 Circular Slide Rule

$39.99


Vintage 1969 Circular Slide Rule - Takeda Concise - Brooks Instrument Division

$9.99


Vt 1955 15" Circular SLIDE RULE Cambosco Scientific Perrygraf Quick Conversion

$9.99


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

$32.50


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

$20.00


VINTAGE LOGOMAT MINI 2001 world smallest CIRCULAR SLIDE RULE WITH POUCH

$99.00


WW II+ U.S. M1 CIRCULAR ARTILLERY SLIDE RULE - UNMRKD/UNDATED - [email protected]@K

$24.99


Vintage Circular Slide Rule / Calculator Concice No. 28 N Japan, THOMSON CSF

$14.90


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

$59.99


Vintage Lockheed Rigid Rotor Circular Slide Rule Navigational Keychain 1960s

$25.79


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

$59.81


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

$45.00


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

$39.50


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

$31.99


Vintage Circular Slide Rule / Calculator CONCISE Japan Cutler Hammer

$24.98


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

$999.99


Vintage JEPPESEN CR-1 Computer Circular Slide Rule FLIGHT 1968

$10.00


BELL SYSTEMS GUY RULE CIRCULAR SLIDE RULE

$49.99


Concise Circular Slide Rule Type-E Weights & Measures Conversion Table Japan

$19.99


VINTAGE ESSO CIRCULAR ADVERTISING MARINE SLIDE RULE 1955

$24.99


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

$29.99


VR Movable ISRAEL PALESTINE 1940-50's Circular WOOD SLIDE RULE Calculator HEBREW

$95.00


BIG CIRCULAR SLIDE RULE NORMA GRAFIA 190 DBGM #4

$59.90


Soviet VINTAGE Air Force Military aircraft navigation circular slide rule NRK-2

$32.75


Collectible,Engineering,Circular Slide Rule,Mixed Lot,Machining Ref. Cards,Vntg.

$6.00


BIG CIRCULAR SLIDE RULE NORMA GRAFIA 190 DBGM #5

$56.90


BIG CIRCULAR SLIDE RULE NORMA MERKURIA 190 DBGM

$100.00


ALRO 200R circular slide rule round Rechenschieber 1950 log metal case Holland

$95.00


Very Rare USSR Soviet Russian Military Artillery Circular Slide Rule

$80.00


Movable ISRAEL PALESTINE 1940-50's Circular SLIDE RULE Calculator MULTIPLICATION

$59.00


Sama Etani 600CE Esso Chemicals circular slide rule Rechenschieber case manual

$95.00


BIG CIRCULAR SLIDE RULE NORMA RONDA 190 DBGM MANUAL

$59.00


STM -Very Rare USSR Soviet Russian Military Artillery Circular Slide Rule 1982 y

$90.00


VINTAGE RUSSIAN KL-1 LOGARITHMIC MATHEMATICAL CIRCULAR SLIDE RULE, MINT # 15B

$79.99


Circular SLIDE RULE Soviet CALCULATOR model KL-1

$79.00


WW II/1942 U.S. M1 CIRCULAR ARTILLERY SLIDE RULE W/POUCH- MATCHED SERIAL NUMBERS

$99.99