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Features

Improvement in Sewing Machines

The War

The New Spanish Rifled Artillery

Aluminum Bronze—Brass

Bessemer's Process of Making Steel

The New Spanish Rifled Cannon

Telegraphing by Occultation of Lights—Several Claimants for the Discovery

Revival of Business

Information as to the Patentable Novelty of Inventions

Great Trial of Steam Plows

Coating the Bottoms of Iron Ships

Oxygen Decomposed

Information about Hydrophobia

Cocoa Leaves—Their Peculiar Properties

Taking of the Popular Loan

Patent Claims - September 14, 1861

Honorable Joseph Holt in New York

Recent American Inventions

Instructions about European Patents

Departments

  • Letters

    Correspondence - September 14, 1861

  • Departments

    Notes and Queries - September 14, 1861

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September 14, 1861

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