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The Manufacture of Porcelain

The Electric Transmission of Energy

An Improved Veneer Press

Outfit for Casting Light Metals

A Convenient Square and Bevel

The French Exposition of 1900

Dr. P. H. Vander Weyde

A Simple Camera Shutter

By George M. Hopkins

Ships of the New United States Navy

Acetylene Apparatus

By T. O'Conor Sloane

The Loeb Patent Respirator

To Inventors - March 30, 1895

For Which Letters Patent


  • Recommended

    New Books and Publications - March 30, 1895

  • Departments

    Recently Patented Inventions - March 30, 1895

  • Notes and Queries - March 30, 1895

  • Business and personal - March 30, 1895

  • Index of Inventions - March 30, 1895

  • Patents - March 30, 1895

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis