The Gemmary, Inc.

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

If you have any questions, please call or email

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  1. 2 3/8" CHARPENTIER CIRCULAR SLIDE RULE CALCULATOR

    2 3/8" CHARPENTIER CIRCULAR SLIDE RULE CALCULATOR

    $850.00

    French, 1st quarter 20th century Learn More
  2. 4 5/8" FOWLER'S 'MAGNUM' TEXTILE CALCULATOR (4MT2b)

    4 5/8" FOWLER'S 'MAGNUM' TEXTILE CALCULATOR (4MT2b)

    $350.00

    English, first half 20th century Learn More
  3. PERFECTION SELF-ADDING RULER by COLUMBIA NOV. CO.
  4. GEM ADDING MACHINE (5 PLACE) by AUTOMATIC ADDING MACHINE MFRS.
  5. HERRING TONNAGE MACHINE BY TOOL AND DIE MFG. CO.

    HERRING TONNAGE MACHINE BY TOOL AND DIE MFG. CO.

    $675.00

    American, late 4th quarter 19th century Learn More
  6. 'THE ENGINEER'S SLIDE RULE" from E.M. SCOFIELD

    'THE ENGINEER'S SLIDE RULE" from E.M. SCOFIELD

    $750.00

    American, patent dated July 2, 1901 Learn More
  7. STANLEY-BOUCHER CALCULATOR BY W.F. STANLEY

    STANLEY-BOUCHER CALCULATOR BY W.F. STANLEY

    $1,250.00

    English, 1st quarter 20th century Learn More
  8. 2 3/8" DENSO CIRCULAR SLIDE RULE & LEATHER CASE
  9. MAJOR GENERAL HANNYNGTON "EXTENDED" SLIDE RULE

    MAJOR GENERAL HANNYNGTON "EXTENDED" SLIDE RULE

    $3,250.00

    English, 1st quarter 20th century Learn More
  10. BOUCHER'S CALCULATOR BY MANLOVES LONDON

    BOUCHER'S CALCULATOR BY MANLOVES LONDON

    $1,250.00

    English, 4th quarter 19th century Learn More
  11. "THE ROSS PRECISION COMPUTER" CIRCULAR SLIDE RULE by COMPUTER MFG. CO.

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