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Features

New Method of Propelling Steam Vessels, Iron and Steel Railroad Tracks

The Domestic Sources of Cholera and the Means of Avoiding them

Insurance Against Steam Boiler Explosions

The Prussian Needle Gun

National Academy of Sciences

Wedging of Gases When Confined

Agricultural Exhibitions

The Markets

Special Notices

Question about Prior Invention

Dead-Stroke Power Hammer

King's Oiler

Artists and Artisans

Tools for Special and for General Use

Engines of the Steamship Rising Star

Patent Claims

Issued From the U. S. Patent Office

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August 25, 1866

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