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Improvement in Feeder for Wool Breakers, Improvement in Steam Boiler Gage Cocks

Gas Measurement

Ice--Its Collection, Storage, and Distribution

Scarcity of First Class Workmen

Gladding's Clothes Line Holder

The Watch--Its History and Manufacture

By H. F. Piaget

Manufacturing Mining, and Railroad Items

Recent American and Foreign Patents

Answers to Correspondents

New Publications

Schnackenberg & Rosenkranz' Improved Feed for Soda Fountains

Preservation and Restoration of Paintings

The Use and Care of Edge Tools

Start Right

Suaviter in Modo

Lecture on Food

New Patent Bill in Canada

Gold in New Brunswick

Patents and Claims

Issued by the United States Patent Office

Extension Notices


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  • Business and Personal

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May 30, 1868

Science for the Modern World