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Our New Acquisition

The Labor Question in Japan

The American Association for the Advancement of Science

Special Meeting Of The Council.

By William H. Hale

Cleaning Hardwood Floors

On the Variation of Latitude

By S. C. Chandler

Horseless Carriages at the Brussels Exposition

Bats and Music

A Window Shade Casing

The "New Idea" Rain Water Filter

A New Electric Lamp

The Electric Heating of the Generating Station of the Niagara Falls Power Company

By Orrin E. Dunlap

A Thill Support and Anti-Rattler

The Grant Memorial Tomb, New York City

Heavy Shipment of Army Cannon

Trial of Side and Deck Armor for the United States Battleships Kearsarge and Kentucky

A Novel Chronophotographic Camera

Slow Speed Cable Car Grip for Use on Curves

An Improved Steam Engine

To Inventors - May 1, 1897


  • Recommended

    New Books, Etc. - May 1, 1897

  • Departments

    The Heavens for May 1897

  • Recently Patented Inventions - May 1, 1897

  • Index of Inventions - May 1, 1897

  • Business and Personal - May 1, 1897

  • Notes and Queries - May 1, 1897

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