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Circular Slide Rule

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Concise circular slide rule by AMP with sleeve

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Multor unusual colored circular slide rule and case

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VINTAGE CONCISE CONVERSION TABLES & CIRCULAR SLIDE RULE with LOGO

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Concise 270 circular slide rule excellent condition free shipping

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RARE 1940 ATLAS CIRCULAR BINARY SLIDE RULE W/ ORIGINAL CASE & MANUAL

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Vintage C-Thru Ruler Company S-94 ROUND SLIDE RULE Circular Slide Rule Math Engi

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Old Soviet USSR logarithmic circular slide rule

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JEPPESEN Model CR-3 Computer, Air Navigation, Airspeed, Circular Slide Rule

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J. B. Carroll Computer Air Navigation True Airspeed, Circular Slide Rule MB-2A

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CIRCULAR (ROUND) SLIDE RULE Russian Soviet Vintage Calculator KL-1

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RARE RUSSIAN USSR SLIDE RULE CIRCULAR KL-1 #58

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BIG CIRCULAR SLIDE RULE NORMA MERKURIA 190 DBGM

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PRK-75 Vintage USSR Soviet Russian Military Artillery Proof Circular Slide Rule

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Circular SLIDE RULE , USA patented

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Slide Rule Calculator Vintage circular Poket 60`s Russian Russia USSR 3706

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Slide Rule Calculator Vintage circular Poket 60`s Russian Russia USSR 3705

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Sama & Etani Concise CTCS-552 with CE Insert Circular Slide Rule Hermes Equipmnt

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vintage Soviet Russian circular SLIDE RULE with box and manual made in 1960s

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VINTAGE RUSSIAN CIRCULAR SLIDE RULE (model KL-1) 1960's

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RARE RUSSIAN USSR SLIDE RULE CIRCULAR KL-1 (L12)

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Vintage Slide Rule By Alleghany Plastics Company Circular Design Fine Condition

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Slide Rule Calculator Vintage circular Poket 60`s Russian Russia USSR 3590

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Vintage CONCISE Circular Slide Rules 28 Made Japan with SONOL ISRAEL petrol logo

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Slide Rule Calculator Vintage circular Poket 60`s Russian Russia USSR 4241

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Pickett Model 109 ES Circular Slide Rule

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1908 Slide Rule Manual Circular Calculator Engineering

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Vintage 1968 Cardboard Circular Slide Rule

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Vintage Circular Slide Rule

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Star Circular Slide Rule NO. 25

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USSR SOVIET POCKET MECHANICAL CALCULATOR CIRCULAR SLIDE RULE 60s VTG w MANUAL

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USSR SOVIET POCKET MECHANICAL CALCULATOR CIRCULAR SLIDE RULE 60s w ENG MANUAL

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USSR SOVIET POCKET MECHANICAL CALCULATOR CIRCULAR SLIDE RULE 60s with MANUAL

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Stadia computer circular slide rule MINT

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Vintage Greenlee Tools Handy Calculator Circular Slide Rule Drafting Protractor

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Vintage 1954 Aristo 620 Circular Slidedisk Slide Rule in Case with Manual

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VINTAGE RUSSIAN CIRCULAR SLIDE RULE (model KL-1) 1960's

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Vintage Aristo 60112 Circular Slidedisk Slide Rule

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3 Vintage Sterling Slide Rules Case And Circular Protractor

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VINTAGE RUSSIAN KL-1 WATCH FACE CIRCULAR RULE

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Sama & Etani #600-CE circular slide rule w/ supplement

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Jeppesen Circular Slide Rule Graphic Flight Computer w/Manual Sleeve JS514105

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NMRA CIRCULAR SLIDE RULE MODEL RAILROAD SCALE CONVERTER BRIDGE TRACK O HO

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1908 Slide Rule Manual Circular Calculator Engineering

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CIRCULAR SLIDE RULE CALCULATOR , % , MARK UP / DOWN,

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Sama & Etani Designed Concise Model 600 with CE Insert Circular Slide Rule

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VINTAGE RUSSIAN CIRCULAR SLIDE RULE.

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Vintage "Concise" Circular Slide Rule Made In Japan w/ Case

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USSR SOVIET POCKET MECHANICAL CALCULATOR CIRCULAR SLIDE RULE 60s VTG w MANUAL

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USSR SOVIET POCKET MECHANICAL CALCULATOR CIRCULAR SLIDE RULE 60s VTG w MANUAL

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USSR SOVIET POCKET MECHANICAL CALCULATOR CIRCULAR SLIDE RULE 60s VTG w MANUAL

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rare / vintage METAL CIRCULAR SLIDE RULE / CALCULATOR , AGFA brand

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ARISTO of GERMANY CIRCULAR SLIDE RULE COMMERZ III 623

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Pickett Dial Rule 101-C Aluminum Circular Slide Rule/Use Book/Leather Case/Box

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Vtg 4" Circular Slide Rule, Fraction Of An Inch Adding Machine w/ Case, No Ads

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POCKET CALCULATOR CIRCULAR SLIDE RULE 1960'

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Pickett Circular Slide Rule - Model 103ES

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Binary Slide Rule Gilson Circa 1940 Circular 8 3/8" Great Condition

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Vintage Circular Slide Rule & Protractor

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NIB Sinco Rotolog 400 #1610 log-log circular slide rule

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vintage Soviet Russian circular SLIDE RULE with box and manual made in 1968

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1908 Slide Rule Manual Circular Calculator Engineering

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Sama & Etani Circular Slide Rule. Model 600.

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HALDEN CALCULEX PATENT CIRCULAR SLIDE RULE, C 1920'S

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

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MATH DISTANCE SCALE 20 YEARS KALENDAR CIRCULAR RULE *

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vintage Soviet Russian circular SLIDE RULE with box and manual made in 1968

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KL-1 Vintage Russian Soviet USSR Logarithmic Mathematical Circular Slide Rule 17

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1970 CIRCULAR SLIDE RULE~MULTIPLY-DIVIDE-PROPORTION-SQUARE-CUBE-CIRCUMFRENCE

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PRK-69 Vintage USSR Russian Military Artillery Proof Double Circular Slide Rule

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STM -Quite RARE USSR Soviet Russian Heavy Military Artillery Circular Slide Rule

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USSR Soviet Russian MILITARY Artillery Circular Slide Rule for Shooting 1944

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VINTAGE RUSSIA USSR RULE CIRCULAR DISTANCE METER BOX *

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KL-1 Vintage RARE USSR Soviet Russian double side CIRCULAR SLIDE RULE MINT InBOX

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KL-1 Vintage RARE USSR Soviet Russian double side CIRCULAR SLIDE RULE MINT InBOX

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KL-1 Vintage RARE USSR Soviet Russian double side CIRCULAR SLIDE RULE MINT InBOX

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KL-1 Vintage RARE USSR Soviet Russian double side CIRCULAR SLIDE RULE MINT InBOX

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KL-1 Anniversary 1967 USSR Soviet Russian double sides CIRCULAR SLIDE RULE MINT

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Slide Rule, Circular Calculator & Engineering - 15 Books on CD

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Vintage Russian KL-1 Logarithmic Mathematical Circular Slide Rule 1960's