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    Features

    Innocent Purchasers in the Senate

    Markings on the Planet Mars

    American Crocodiles

    New Fertilizer Distributer

    Novel Boot Supporter

    Gas Exhauster

    Improved Gate

    Decisions Relating to Patents

    Moore County Grit Mill Stones

    Progress of the Hudson River Tunnel

    The Eclipse as Seen on the Nile

    Drawing Board Paper Holder

    Agricultural Inventions - July 15, 1882

    Miscellaneous Inventions - July 15, 1882

    Engineering Invention - July 15, 1882

    Electrical Invention - July 15, 1882

    Mechanical Inventions - July 15, 1882

    Engineering Inventions - July 15, 1882

    Departments

    • Departments

      Business and Personal - July 15, 1882

    • Index of Inventions - July 15, 1882

    • New Books and Publications - July 15, 1882

    • Notes and Queries - July 15, 1882

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    July 15, 1882

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