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

The War

Manufacture of Tin-Plate

Outside Reflectors for Store Windows

Improved Screw Stocks and Dies

The Wild Man of the Woods

Information as to the Patentable Novelty of Inventions

That Forged Letter Again

Carrying Parcels in Tubes

General McDowell's Report

Heating and Lighting Cities by the Power of the Tides

New Side-Wheel War Steamers

A British Officer on Rifled Ordnance—Round Shot

Inquiry about the use of Extended Patents

Stable and Changeable Colors—Frauds

Proposals for Iron-Clad Steam Vessels

Patent Claims - August 24, 1861

Recent American Inventions

Instructions about European Patents

To Our Readers


  • Letters

    Correspondence - August 24, 1861

  • Departments

    Notes and Queries - August 24, 1861

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