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Features

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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