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Cutting Sugar Cane-Bagasse Furnaces

Utilizing Steel Grindings


Salmon Cultivation

Nutritive Qualities of the Onion

Artificial Wood

Williams' Improved Plow

The Coal Trade of the United States


Iron Gunpowder

Improved Lounge and Chair

Benefit of Steam Jackets

Schaefer's Pump

Honors to Josiah Wedgewood

Death of Professor Olmsted

American Steamboats in Scotland

Under Brain-Work

Tempering Steel Tools

Inquiry About Gunpowder

Gutta-Percha for Submarine Cables

Charles M. Keller and the American Patent Office

Enlargement of the “Scientific American”

Hobbs' London Lock Factory

Improvements in Fire-Arms

The New Commissioner of Patents


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    Notes and Queries

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May 21, 1859

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