Skip to main content


American Built Cruisers for Japan

The Fatigue of Metals

Proposed Bridge across the St. Lawrence at Quebec

The New Rules of Practice of the Patent Office Abrogated

Death of Prof. Fresenius

Interesting Marine Statistics

Municipal Government without Taxation

Settlement of the Vacant Public Lands of the United States

An Improved Bicycle Brake

A Valve Testing and Locking Device

Tests of the Wearing Qualities of Flooring Materials

The "Winged Victory" for the Battleship Massachusetts

An Automatic Railway Switch

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

  • Index of Inventions - July 3, 1897

  • Business and Personal - July 3, 1897

  • Notes and Queries - July 3, 1897

  • Patents - July 3, 1897

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
July 03, 1897

Of Shamrocks and Science

Happy St. Patrick’s Day