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Features

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

An Improved Screw Cutting Lathe

Mail Bag

Car Coupling

Joint for Electric Conductors

Hoisting Machine

Electric Mouth Lamp and Laryngoscope

Treatment of Deformities of the Nose

Glass Rolling Table

Making Gas from Crude Petroleum

Ancient Hydraulic Clocks

Reversible Wall Scraper

Lunar Chart

Engineering Inventions - October 25, 1884

Mechanical Inventions - October 25, 1884

Miscellaneous Inventions - October 25, 1884

Agricultural Inventions - October 25, 1884

Departments

  • Letters

    Correspondence - October 25, 1884

  • Recommended

    New Books and Publications - October 25, 1884

  • Departments

    Business and Personal - October 25, 1884

  • Notes and Queries - October 25, 1884

  • Index of Inventions - October 25, 1884

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