The Gemmary, Inc.

P.O. Box 2560, Fallbrook, CA 92088, (760) 728-3321 rcb@gemmary.com

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Calculating & Slide Rules

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  1. Harris, C.O. - SLIDE RULE SIMPLIFIED

    Harris, C.O. - SLIDE RULE SIMPLIFIED

    $25.00

    Chicago: American Technical Society, 1943 (1947 printing) Learn More
  2. Phister, M. - LOGICAL DESIGN OF DIGITAL COMPUTERS
  3. Poland, J. - SIMPLE RULES FOR USING THE SLIDE RULE
  4. Post, F. Co. - VERSALOG SLIDE RULE INSTRUCTION MANUAL

    Post, F. Co. - VERSALOG SLIDE RULE INSTRUCTION MANUAL

    $25.00

    Chicago: Frederick Post, 1st edition, 1951 Learn More
  5. Post, F. Co. - VERSALOG SLIDE RULE INSTRUCTION MANUAL

    Post, F. Co. - VERSALOG SLIDE RULE INSTRUCTION MANUAL

    $25.00

    Chicago: Frederick Post, 2nd edition, 1962 Learn More
  6. Thacher, E. - DIRECTIONS FOR USING THACHER'S CALCULATING INSTRUMENT

    Thacher, E. - DIRECTIONS FOR USING THACHER'S CALCULATING INSTRUMENT

    $15.00

    New York: Keuffel & Esser, 1917 (recent reprint) Learn More
  7. Turck, J.A.V. - ORIGIN OF MODERN CALCULATING MACHINES

    Turck, J.A.V. - ORIGIN OF MODERN CALCULATING MACHINES

    $25.00

    Chicago: Western Society of Engineers, 1921 (Fallbrook: The Gemmary, 2002 reprint) Learn More

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