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The Lessons of Manila Bay

Foreign Expert Opinion on the "Maine" Disaster

The Four New Monitors

Electrical Exhibition

Calcium Carbide as an Aid to Fire

United States Army Recruiting Circular

The New Hunt Bicycle Saddles

A Mexican Statue of Terra Cotta

A Novel Fluid Pressure Regulator

An Improved Time Recorder

An Automatic Acetylene Gas Generator

A Reversible Ratchet Wrench

Porto Rico and the Reduction of San Juan

The Rapid-Fire Guns of the "New Orleans."

Our Troops at Chickamauga Park

To Inventors - May 21, 1898

Communication on Cigarettes

By J. W. mallet


  • Letters

    Correspondence - May 21, 1898

  • Recommended

    New Books, Etc. - May 21, 1898

  • Departments

    Recently Patented Inventions - May 21, 1898

  • Business and Personal - May 21, 1898

  • Index of Inventions - May 21, 1898

  • Notes and Queries - May 21, 1898

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May 21, 1898

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