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    Features

    The Firmenich Safety Steam Boiler

    Mind, Muscle, and Machinery

    A Neglected Industry

    A Keely Seance

    An Industrial Paradox

    Astronomical Notes

    By Berlin H. Wright

    Fire Telegraphs in Germany

    Combination Needle and Thread Cutter

    A Simple Furnace

    Our Iron Industry

    Communications

    Notes from the Paris Exhibition

    File Sharpening by the Sand Blast

    Improved Shears for Marking Stock

    Improved Yielding Hat

    The Doum Palm

    Official Prejudice

    Notes of Patent Law-Decisions of the Courts

    The New Laurent Saccharometer

    Patent Gear-Dressing Machine

    An Improved Gang Plow

    Poisonous Leguminous Plants

    Departments

    • Departments

      Business and Personal

    • Notes and Queries

    • New Books and Publications

    • Index

    • Patents

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    June 29, 1878

    See the World from a Different Perspective

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