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Features

Improved Method of Transporting Bricks During Manufacture

Instability of the Earth's Surface

Work for Arctic Explorers

The Colorado Potato Bug

The Keely Motor Deception

The Power of Small Engines

Improved Engraving Machines

The Electric Light

Improved Fire Box for Locomotive Furnaces

Improved Railway Track

Knebworth Park, Hertfordshire, England

Recent American and Foreign Patents - July 17, 1875

The Song of Steam

The Irish-American Rifle Contest

Canadian Patents - July 17, 1875

Communications Received - July 17, 1875

Departments

  • Letters

    Correspondence - July 17, 1875

  • Departments

    Business and Personal - July 17, 1875

  • Notes and Queries - July 17, 1875

  • Index of Inventions - July 17, 1875

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July 17, 1875

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