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Features

A New Theory of Light Sensation

Italian Colonization in Africa

An Extension Ladder for Sleeping Cars

Polishing and Buffing Lathe

An Incline Elevator and Dump

An Improved Car Coupling

Cigarette Paper

The Chase-Kirchner Aerodromic Railroad

Manufacture of Rock Candy

A Large Punching Machine

A Carpenter's Makeshift

A Method of and Apparatus for Amalgamating Ores

Novel Electric Rock Drill

Why Flowers are Beautiful

By The Editor of Popular Science News

To Inventors - May 5, 1894

Departments

  • Letters

    Correspondence - May 5, 1894

  • Recommended

    New Books and Publications - May 5, 1894

  • Departments

    Business and Personal - May 5, 1894

  • Recently Patented Inventions - May 5, 1894

  • Notes and Queries - May 5, 1894

  • Index of Inventions - May 5, 1894

  • Patents - May 5, 1894

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May 05, 1894

Think Outside the Gift Box