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Features

Foreign Expert Opinion on the "Maine" Disaster

The Lessons of Manila Bay

Electrical Exhibition

United States Army Recruiting Circular

The Four New Monitors

Calcium Carbide as an Aid to Fire

The New Hunt Bicycle Saddles

A Mexican Statue of Terra Cotta

A Novel Fluid Pressure Regulator

A Reversible Ratchet Wrench

An Automatic Acetylene Gas Generator

An Improved Time Recorder

Porto Rico and the Reduction of San Juan

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

Our Troops at Chickamauga Park

Communication on Cigarettes

By J. W. mallet

To Inventors - May 21, 1898

Departments

  • 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

  • Notes and Queries - May 21, 1898

  • Index of Inventions - May 21, 1898

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Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine