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Circular Slide Rule

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Set of 2 slide rulers - "Binary" Circular Slide Rule & straight one

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1940 Gilson Circular Binary Slide Rule 8¼"

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

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

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Concise Circular Slide Rule with Boeing logo

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Rare 1919 Vintage Gilson 4-inch Circular Slide Rule with Red Slides Still Works

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

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

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Vintage Concise No. 28N Circular Slide Rule with case and Instruction manual

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The Slide Rule Collection - 41 Old Vintage Books on DVD Circular Calculator Math

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Collection Of Slide Rule eBook Manual Circular Calculator Engineering CD

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circular slide rule No. 57 plas chem engineers, inc. Phoenix "Space Age" math

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Denver Equipment Company "Concise" Circular Slide Rule In Faux Gold Leather Case

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Stadia computer circular slide rule MINT

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VINTAGE RUSSIAN KL-1 LOGARITHMIC MATHEMATICAL CIRCULAR SLIDE RULE W/BOX,NOS #898

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

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Perrygraf Circular Slide Rule, 1959, General Industrial Co.

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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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VINTAGE CONCISE CIRCULAR SLIDE RULE No. 28 Ruler Measuring Tool Engineering

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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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Rare circular slide rule ROPLEX from Graphopex + copies notice and 4 p. book

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german circular slide rule MULTOR boxed

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special german circular slide rule ARISTO 90184

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rare german circular slide rule FABER CASTELL 8/10

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Old Soviet USSR logarithmic circular slide rule

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rare ESSO circular slide rule flight true course calculator

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german circular slide rule ECOBRA 160

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VINTAGE FULLERTON CIRCULAR SLIDE RULE NO. 1458 ACUDIAL IN ORIGINAL BOX INSTRUCT.

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

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rare dutch circular nuclear slide rule military

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Slide Rule Gilson Atlas Circular Fantastic Condition Mint

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rare swiss circular slide rule LOGA 30 Eh

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Very rare dutch circular slide rule ALRO 200R

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german circular slide rule ARISTO 60140

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Rare german circular slide rule NORMA MERKURIA 190

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rare german circular slide rule ARISTO 622

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rare german circular slide rule CONTROLLER

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Very rare dutch military circular slide rule ALRO

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rare german circular slide rule ARISTO 621

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Very rare russian circular slide rule watch style

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Jeppesen Circular Slide Rule Graphic Flight Computer w/Manual & Sleeve - MINT

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extremely rare german astronomic circular slide rule GEILLER - ASTRO

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KEY LINE'S "CONCISE" CIRCULAR SLIDE RULE

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VINTAGE PICKETT DIAL RULE CIRCULAR SLIDE RULE 101-C

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Vintage Gilson Circular Binary Slide Rule with Case and Instruction Book

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VINTAGE PICKETT SLIDE RULE CIRCULAR DIAL 101-C ORIGINAL CASE POUCH MADE IN USA !

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

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Vintage Concise Conversion Table and Circular Slide-Rule

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

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VINTAGE .USSR LOGARITHMIC CIRCULAR SLIDE RULE. EXCELLENT

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VINTAGE CIRCULAR SLIDE RULE BY FULLERTON MODEL 28 IN ORIGINAL HOLDER

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

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OLD USSR CIRCULAR SLIDE RULE

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OLD USSR CIRCULAR SLIDE RULE

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Slide Rule Circle Russian Round Logarithmic KL-1 Engineer Circular Mathematician

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Scientific Instruments Co. SIC Circular Slide Rule Model 1610-D

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BIG CIRCULAR SLIDE RULE NORMA GRAFIA 190 DBGM #3

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BIG CIRCULAR SLIDE RULE NORMA RONDA 190 DBGM

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Vintage "Concise" Circular Slide Rule w/ Case

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VINTAGE CIRCULAR SLIDE RULE WHEEL STANDARD & POOR'S STOCK SCOPE DIAL CHART 1960

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CIRCULAR SLIDE RULE MILITARY ONE SOURCE BABY AND CHILD STAGE OF LIFE CARE WHEEL

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Vintage Cardboard Circular Slide Rule Proportional Scale William Meyers Photo

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Vintage 1964 Cardboard Circular Slide Rule L E Jones Company Menominee MI

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KL-1 CCCP USSR Soviet Russian double sides CIRCULAR SLIDE RULE

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Slide Rule Vtg Circular Calculator Trigonometry Math Guide Book Manual on CD

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Slide Rule Circle Russian Round Logarithmic Engineer Circular Plastic USSR Red

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Slide Rule Circle Russian Round Logarithmic KL-1 Engineer Circular Logarithmic

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RARE RUSSIAN USSR SLIDE RULE CIRCULAR KL-1

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Vintage USSR Soviet Circular Round Slide Rule 60's

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Concise Circular Slide Rule Ohio Power CO. #28N Manual HC

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Slide Rule Circle Russian Round Logarithmic KL-1 Engineer Circular Logarithmic 2

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Vintage USSR Soviet Circular Round Slide Rule 60's

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RARE RUSSIAN USSR SLIDE RULE CIRCULAR KL-1

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RARE RUSSIAN USSR SLIDE RULE CIRCULAR KL-1

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Rare Charpentier pocket circular slide rule + notice + patent 1881