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    Features

    A New Gas Exhauster Governor

    Improved Hose Coupling

    Contamination of Drinking Water

    The North-Northwest

    Pluck and Energy Sufficient Capital for Pioneers

    Pah-Gosa Springs, Colorado

    Defeat of the Cochrane Patents

    Recent American Patents

    A Magnetized Watch

    Recent Mechanical Inventions

    New Cuff Holder

    A New Portable Engine

    A New Sewer Trap

    Amateur Mechanics

    New Drag Sawing Machine

    Jones' New Press Machine and Process

    Miscellaneous Inventions

    Machinery for Making Shingles

    Scarus Quacamaia, or Great American Parrot Fish

    By Daniel C. Beard

    The Mara

    Ancient Keys

    Communications Received - July 12, 1879

    Departments

    • Departments

      Correspondence - July 12, 1879

    • Business and Personal - July 12, 1879

    • Notes and Queries - July 12, 1879

    • New Books and Publications - July 12, 1879

    • Index of Inventions - July 12, 1879

    • Patents - July 12, 1879

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    July 12, 1879

    Reanimate Your Brain

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