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The Broadway Cable Railway, New York

The Electric Railway Trolley

Prices at the World's Columbian Exposition

One Hundred and Twelve and One Half Miles Per Hour

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

The Crossing of Rivers by Means of Leathern Bottles

A Viking Ship

Simple Hygroscope

By M. Hopkins

A Measuring and Drawing Tool

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

Help Us Reforest the Mississippi River Valley

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