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American Built Cruisers for Japan

Proposed Bridge across the St. Lawrence at Quebec

The New Rules of Practice of the Patent Office Abrogated

The Fatigue of Metals

Death of Prof. Fresenius

Settlement of the Vacant Public Lands of the United States

Municipal Government without Taxation

Interesting Marine Statistics

A Valve Testing and Locking Device

Tests of the Wearing Qualities of Flooring Materials

An Improved Bicycle Brake

An Automatic Railway Switch

The "Winged Victory" for the Battleship Massachusetts

An Improved Swing

Parseval's Kite Balloon

The Last of the Yukiahs

By Enos Brown


  • Letters

    Correspondence - July 3, 1897

  • Recommended

    New Books, Etc. - July 3, 1897

  • Departments

    Recently Patented Inventions - July 3, 1897

  • Business and Personal - July 3, 1897

  • Index of Inventions - July 3, 1897

  • Notes and Queries - July 3, 1897

  • Patents - July 3, 1897

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July 03, 1897