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Improved Wool Washing Apparatus

Notes on Military and Naval Affairs

Importance of Sleeping With the Mouth Shut

Surface Condensers for Steam Engines

Six Good Reasons Why Every Manufacturer, Mechanic, Inventor and Artizan Should Become a Patron of the Scientific American

Destructive Fire Shells

Water Glass

The Brown Stone of Our Houses Crumbling to Pieces

Forests on the North Sides of Hills

Why Does Coke Kindle More Quickly Than Anthracite Coal?

Type-Setting by Machinery

Value of Inventions in Time of War--What They Have Done for England

Recent American Inventions

Notes on Foreign Inventions and Discoveries

Patent Claims

To Our Readers

Kaufman's Home-Made Corn-Broom

Platt and Rosecrans's Star Burner


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January 11, 1862