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Features

The Leading Navies of the World Compared

There is Room at the Top

Report of Royal British Observatory for 1900

The Berliner Transmitter Patent Held to be Invalid

Paris-Berlin Automobile Race

Death of Prof. John Fiske

Science Notes - July 13, 1901

A Clever Salvage Feat

Zinc Mining in Kansas

By Harry L. Wohlford

A Few Remarkable Artesian Wells and the Uses to Which They are Put

By Erwin Hinckley Barbour

Admirable Work of the Ordnance Board at Sandy Hook

Interesting Exhibits at the Pan-American

The Common-Battery Telephone System of the City of New York

An Improved Double-Cylinder Force-Pump

A Miniature Electric Carriage at the Pan-American Exposition

A New Street Sign for Lamp-Posts

Business and Personal Wants

Departments

  • Departments

    Recently Patented Inventions - July 13, 1901

  • Notes and Queries - July 13, 1901

  • New Books, Etc. - July 13, 1901

  • Index of Inventions - July 13, 1901

  • Patents - July 13, 1901

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