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    Features

    Proposed Palm Oil Industry

    The Prospects of Trade

    The Effect of Forests Upon Rainfall

    The Brunton Tunneling Machine

    Infected Cigars

    Police Telephones

    Apparatus for Adjusting Balance Wheels of Watches

    New Nursing Bottle

    Mechanical Inventions

    Lightning-Proof Oil Tank

    Mr. Eads' Ship Railway for the American Isthmus

    Miscellaneous Inventions

    Improved Bolt for Double Doors

    Deep Sea-Sounding Apparatus

    Improved Bottle Stopper

    The Hunting Falcon

    Improved Gas Burner

    The Nutrition of Roots

    Communications Received

    Departments

    • Departments

      Recent Inventions

    • Business and Personal

    • Notes and Queries

    • New Books and Publications

    • Index of Inventions

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    November 13, 1880

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