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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

A Hose Tower and Fire Escape

A Tool for Closing Water Pipes

An Improved Lawn Mower

The "Home Trainer" for Testing Bicycles

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

  • Index of Inventions - August 17, 1895

  • Business and Personal - August 17, 1895

  • Notes and Queries - August 17, 1895

  • Patents - August 17, 1895

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August 17, 1895

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