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Features

Improved Sleeping Car

The War

National Rifle Association—Prizes Offered

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

Royal Agricultural Society Fair--Steam Plowing

Whales and Flint

Information as to the Patentable Novelty of Inventions

The Most Powerful Gun in the World

Blindness among Horses—Its Causes

Surface Condensation on Steamers

The English Government and the Armstrong Gun

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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Know Before You Vote