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The Stern Tunnels of the Olympia

California Sun Dried Prunes

A Reloading Tool for Cartridges

An Improved Ink Well

Royal E. House

The Ice Plane

The Manufacture of Incandescent Electric Lamps

The Pulverized Charcoal Industry

A Visit to the Exhibit of the New York Academy of Sciences

By H. F. Osborn

A Combination Electrical Meter

To Inventors - April 13, 1895

Departments

  • Letters

    Correspondence - April 13, 1895

  • Departments

    Business and Personal - April 13, 1895

  • Recently Patented Inventions - April 13, 1895

  • Notes and Queries - April 13, 1895

  • Index of Inventions - April 13, 1895

  • Patents - April 13, 1895

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April 13, 1895

Complex Causes. Alternative Solutions.

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