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    Features

    How Deep wells are made

    The Channelways of New York

    Photographic Notes - August 21, 1886

    Device for Opening Window Sashes

    Window Blind

    Sash Balance

    Plant Protector

    Lee Board for Small Vessels

    Improved Derrick

    Rotary Brush

    Refrigerator Storehouse for Fruits, Etc

    Improved Vulcanizer

    Detachable Milk Can Refrigerator

    Writing Tablet

    Protective Garment

    Drawer Check and Support

    Experiments in Sound

    By T. O'conor Sloane

    Chicago

    The Zarabatana of the Macoushies

    By John R. Coryell

    Decisions Relating to Patents

    Western Electric Company

    By La Rue v.

    Engineering Invention - August 21, 1886

    Mechanical Invention - August 21, 1886

    Miscellaneous Inventions - August 21, 1886

    Departments

    • Letters

      Correspondence - August 21, 1886

    • Recommended

      New Books and Publications - August 21, 1886

    • Departments

      Business and Personal - August 21, 1886

    • Index of Inventions - August 21, 1886

    • Notes and Queries - August 21, 1886

    • Patents

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    August 21, 1886

    See the World from a Different Perspective

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