The Gemmary, Inc.

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

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  1. 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
  2. '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
  3. "THE ROSS PRECISION COMPUTER" CIRCULAR SLIDE RULE by COMPUTER MFG. CO.

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