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    HardPress

    A Treatise on Toothed Gearing. Containing Complete Instructions for Designing, Drawing, and Constructing Spur Wheels, Bevel Wheels, Laterns Gear, Screw Gear, Worms, Etc., and the Proper Formation of Tooth-profiles

    A Treatise on Toothed Gearing. Containing Complete Instructions for Designing, Drawing, and Constructing Spur Wheels, Bevel Wheels, Laterns Gear, Screw Gear, Worms, Etc., and the Proper Formation of Tooth-profiles

    $15.95 USD
    $15.95 USD
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    John Howard Cromwell

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