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The Thomson-Houston Exhibit at the International Electrical Exposition, Philadelphia

A Prize for Inventors.-- Need of Passenger and Freight Car Brakes

The Heavy Gun Question

Two Remarkable Meteors

Joint for Electric Conductors

Car Coupling

An Improved Screw Cutting Lathe

Mail Bag

Electric Mouth Lamp and Laryngoscope

Hoisting Machine

Treatment of Deformities of the Nose

Making Gas from Crude Petroleum

Glass Rolling Table

Ancient Hydraulic Clocks

Lunar Chart

Reversible Wall Scraper

Mechanical Inventions - October 25, 1884

Miscellaneous Inventions - October 25, 1884

Agricultural Inventions - October 25, 1884

Engineering Inventions - October 25, 1884


  • Letters

    Correspondence - October 25, 1884

  • Recommended

    New Books and Publications - October 25, 1884

  • Departments

    Notes and Queries - October 25, 1884

  • Business and Personal - October 25, 1884

  • Index of Inventions - October 25, 1884

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October 25, 1884

See the World from a Different Perspective

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