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Features

Improved Caloric Engine

“Mind Your Business.”

The Rebacking of Paintings

The Induced Current

Overthrow of the Barb Fence Patents

American Astronomical Society

The French Physical Laboratories

Round Noses vs. Diamond Shape

The Columbia Tricycle

Mixer for Carbonic Gas and Water

The Influence of Storms upon Water Traps

Portable Meat Safe

Making the Deaf to Hear

A Quadricycle for Land and Water

Pressure Gauge Testing Apparatus

The Giant Locust

Electrical Railway Signaling

Farm Hand Carts

Agricultural Inventions

Miscellaneous Inventions

Mechanical Inventions

Engineering Inventions

Departments

  • Departments

    Correspondence

  • Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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June 16, 1883

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