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Features

Photographic Printing by Machinery

Electrical Items Worth Remembering

The Discovery of Argon

The Biological Laboratory at Cold Spring Harbor, Long Island, N. Y

The "Home Trainer" for Testing Bicycles

A Tool for Closing Water Pipes

An Improved Lawn Mower

A Hose Tower and Fire Escape

Improved Compound Reversing Engines

The Great Dam of the Peryar, India

Photography of the Retina

Che-Foo

To Inventors - August 17, 1895

Departments

  • Letters

    Correspondence - August 17, 1895

  • Departments

    Recently Patented Inventions - August 17, 1895

  • Business and Personal - August 17, 1895

  • Index of Inventions - August 17, 1895

  • Notes and Queries - August 17, 1895

  • Patents - August 17, 1895

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August 17, 1895

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