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    Features

    The Broadway Cable Railway, New York

    One Hundred and Twelve and One Half Miles Per Hour

    The Electric Railway Trolley

    Prices at the World's Columbian Exposition

    The Crossing of Rivers by Means of Leathern Bottles

    The World's Columbian Exposition-- the Pope's Phonographic Message to America

    A Measuring and Drawing Tool

    Simple Hygroscope

    By M. Hopkins

    A Viking Ship

    An Improved Calking Tool

    The Trumpeters

    To Inventors - May 20, 1893

    Departments

    • Letters

      Correspondence - May 20, 1893

    • Recommended

      New Books and Publications - May 20, 1893

    • Departments

      Recently Patented Inventions - May 20, 1893

    • Notes and Queries - May 20, 1893

    • Business and Personal - May 20, 1893

    • Index of Inventions - May 20, 1893

    • Patents - May 20, 1893

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    May 20, 1893

    See the World from a Different Perspective

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