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    Features

    Hydrophobia

    Improved Burglar Alarm

    American Naval Architecture

    The Steamer Trumpeter.

    The Crank--A Question Answered

    The Sewing Machine-No. I

    The Origin of the Rock Oils

    A Thrilling Narrative of the Escape of the Steamer Arabia

    Pinel's Magnetic Water Gage

    By George Piggott

    Fresh-Water Sponges

    Improvements in the Cotton Plant

    Rotary Dynamometer

    Annealing Steel

    Ventilate the Shop

    The Polytechnic Association of the American Institute

    Coating Patterns

    A Column of Varieties

    The Noise of the Aurora Borealis

    Talk with the Boys

    Application for the Extension of a Patent

    Selfridge's Improved Pump

    Improved Hand Drill Seed Planter

    Dentifrices

    The Rights of Joint Patentees--A Reviewer Reviewed

    Working Steam Expansively

    Our Special Correspondence

    New Books and Periodicals Received - September 29, 1860

    Recent American Inventions

    Patent Claims

    The Rise and Progress of Inventions

    Money Received

    Brown's Improved Shawl Pin

    Improved Car Ventilator

    Departments

    • Departments

      Notes and Queries - September 29, 1860

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    September 29, 1860