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Report of Royal British Observatory for 1900

There is Room at the Top

The Leading Navies of the World Compared

Death of Prof. John Fiske

The Berliner Transmitter Patent Held to be Invalid

Science Notes - July 13, 1901

Paris-Berlin Automobile Race

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

A New Street Sign for Lamp-Posts

A Miniature Electric Carriage at the Pan-American Exposition

An Improved Double-Cylinder Force-Pump

Business and Personal Wants


  • 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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July 13, 1901

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