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Features

Improved Sleeping Car

National Rifle Association—Prizes Offered

The War

Stammer's Improved Chromoscope

Manufacture of Papier Mache

Useful Information about Patents and Patent Law Cases

Nichols's Improved Soda Cooler

Bessemer's Process of Making Steel

Whales and Flint

The Most Powerful Gun in the World

Royal Agricultural Society Fair--Steam Plowing

Information as to the Patentable Novelty of Inventions

Blindness among Horses—Its Causes

The English Government and the Armstrong Gun

Surface Condensation on Steamers

Premiums—British Institution of Civil Engineers

Patent Claims - September 7, 1861

Recent American Inventions

Instructions about European Patents

To Our Readers

A New Mode of Constructing Cannon

By J. C. Babcock

Departments

  • Letters

    Correspondence - September 7, 1861

  • Departments

    Notes and Queries - September 7, 1861

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