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The Inaccuracy of Artillery Fire

The Moore System of Vacuum Tube Lighting

The Armor Plate Compromise

The Third Rail System in England

Improvement of the Entrance to New York Harbor

Test of the Buffington-Crozier Disappearing Gun Carriage

The Evolution of Modern Scientific Laboratories

The Future of the Motor Car

A Pneumatic Spraying Apparatus

A Stove and Oven for "Camping Out" Parties, Prospectors, Boating, House Use, Etc.

An Improved Bicycle Brake

A Destructive Thunderbolt

Petroleum Wells in the Suburbs of Los Angeles, California

The Denudation and Recovery of Farm Lands

Third Avenue Drawbridge across the Harlem River, New York City

New Circle Divider


  • Recommended

    New Books, Etc. - July 17, 1897

  • Departments

    Recently Patented Inventions - July 17, 1897

  • Index of Inventions - July 17, 1897

  • Notes and Queries - July 17, 1897

  • Business and Personal - July 17, 1897

  • Patents - July 17, 1897

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