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

The British Institution of Civil Engineers

Editorial Correspondence

Bement & Dougherty's Steam Hammers

Science Familiarly Illustrated

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

Size of Wheels for Vehicles

Mechanics and Their Tools

Pretensions of Mechanics

Utilization of Tinner's Waste

Communism in the Shop

Lampblack--Its Manufacture

Patents and Claims

Issued by the United States Patent Office

Extension Notices

New Publications


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March 14, 1868

Of Shamrocks and Science

Happy St. Patrick’s Day