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Features

Rifling United States Cannon, Cyanide of Potassium for Soldering and more

The War

Manufacture of Tin-Plate

Improved Screw Stocks and Dies

Outside Reflectors for Store Windows

The Wild Man of the Woods

That Forged Letter Again

New Side-Wheel War Steamers

Information as to the Patentable Novelty of Inventions

Heating and Lighting Cities by the Power of the Tides

General McDowell's Report

Carrying Parcels in Tubes

Stable and Changeable Colors—Frauds

Inquiry about the use of Extended Patents

A British Officer on Rifled Ordnance—Round Shot

Proposals for Iron-Clad Steam Vessels

Patent Claims - August 24, 1861

Recent American Inventions

Instructions about European Patents

To Our Readers

Departments

  • Letters

    Correspondence - August 24, 1861

  • Departments

    Notes and Queries - August 24, 1861

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