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Features

New Mode of Mounting Cannon, To Render Ivory Flexible

Notes on Military and Naval Affairs

The Affinity of the Human Mind with the Divine

The Chemistry of Coal

Cosmetics--Their Use and Manufacture

Newman's Patent Excelsior Lamp Burner

Heat, Working and Superheating Steam

What Can Be Done for Inventors--Advice Gratis and Advice for Pay

The Geology of Michigan

Indelible Writing

Iron Plating--Is the Warrior a Failure?

United States Circuit Court--Infringement

Patent for Steam and Fire Regulator

Patent Claims

Issued from the United States Patent Office

Recent American Inventions

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March 08, 1862

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