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Features

Biography of Capt. Ericsson

Notes on Military and Naval Affairs

Blasting and Splitting Stumps with Percussion Cartridges

The Best Shot for Penetrating Iron Plates

History of Turbine Water Wheels

New York Court of Common Pleas

Beagle's Safety Hooks

Photograph Albums

Defence of the Secretary of the Navy

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

The Management of Telegraphs

Mr. M'Kay's Letter on Iron-Plated Ships

Cutting Files by Machinery

Late Experiments with Iron Plating

Notes on Foreign Inventions and Discoveries

Western Gunboats

Patent Claims

Issued from the United States Patent Office

Recent American Inventions

To Our Readers

Sea-Coast Mortar

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April 05, 1862

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