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Automatic Rake for Harvesters

Armstrong Guns and Iron-Clad Ships Again --Ironsides Invulnerable

Fatal Explosion of Gun Cotton--Death of a Promising Young Chemist

The London Exhibition

Polytechnic Association of the American Institute

Vanderbilt's Polishing Belt

California State Agricultural Society

Six Good Reasons Why Every Manufacturer, Mechanic, Inventor and Artizan Should Become a Patron of the Scientific American

The New Amendments to the Patent Laws

Experiments with a Submarine Cannon

Locomotive Business in Paterson--a New Dummy Engine

Patent Law Amendments

Recent American Inventions - July 5, 1862

To Our Readers

Departments

  • Patent Claims

  • Letters

    Correspondence - July 5, 1862

  • Departments

    Notes and Queries - July 5, 1862

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July 05, 1862

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