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    Features

    Electro-Motor Batteries

    An Automatic Railway Crossing Gate

    An Improved Shaft Coupling

    An Improved Elevated Railway Gate

    An Improved Dumping Car

    An Improved Car Coupling

    A Pattern Tracing and Cutting Device

    Improved Attachment for Blinding Horses

    An Improved Saw Filing Machine

    An Improved Pipe Tongs or Wrench

    An Improved Bit for Horses

    An Improved Bell Cord Coupling

    Our New Navy--The Cruiser Chicago

    The Olbers-Brooks Comet

    Fireless Mining Locomotive

    Light Draught Steam Launches

    A Singhalese Yacht

    An Inexpensive Index Plate

    Agricultural Invention - September 17, 1887

    Miscellaneous Inventions - September 17, 1887

    Engineering Inventions - September 17, 1887

    Departments

    • Letters

      Correspondence - September 17, 1887

    • Recommended

      New Books and Publications - September 17, 1887

    • Departments

      Business and Personal - September 17, 1887

    • Index of Inventions - September 17, 1887

    • Notes and Queries - September 17, 1887

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    September 17, 1887