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Features

Improved Variable Cut-Off Valve

American Manganese

Naval Architecture of Great Britain

Inventions for Women -- Sensible Suggestions

Improving Farms Without Manure

Production of a Copper Green without Arsenic

By H Dussance

Morin on "Friction"

Lake Superior Copper

A Hot-Bed Stove Wanted

Improved Grist Mill

A New Grouping of the Stars Suggested

Artificial Teeth -- Their History and Manufacture

Man Scientifically Described

Clay Retorts

The Hexagonal Cell of the Honey-Bee

By W. J. Weeks

Journal of Patent Law

A Column of Varieties - May 26, 1860

Polytechnic Association of the American Institute

Improved Shaving-Making Machine

Improvement in Furnaces

Aluminum

The Age of Steam

Colburn on Boiler Explosions

American Inventions in Europe - May 26, 1860

Literary and Scientific Notices - May 26, 1860

Foreign News and Markets - May 26, 1860

Defalcation of the Postmaster of New York

Patent Claims - May 26, 1860

Weekly Summary of Inventions - May 26, 1860

Carding and Combing Machines

Improved Steam Boiler

Peculiarities of the Moon

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    Notes & Queries - May 26, 1860

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May 26, 1860

Think Outside the Gift Box