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Features

Improvement in Machines for Molding and Pressing Brick, Improved Pavement, and more

The British Institution of Civil Engineers

Editorial Correspondence

Science Familiarly Illustrated

Bement & Dougherty's Steam Hammers

Turning a Movable Wheel Around a Fixed Wheel

Recent American and Foreign Patents

Manufacturing, Mining, and Railroad Items

Answers to Correspondents

Grosvenor's Improved Non-Explosive Lamp

Mechanics and Their Tools

Lampblack--Its Manufacture

Communism in the Shop

Utilization of Tinner's Waste

Size of Wheels for Vehicles

Pretensions of Mechanics

Patents and Claims

Issued by the United States Patent Office

New Publications

Extension Notices

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March 14, 1868

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