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Features

Smokeless Powder

The Santiago Campaign

The Centrifugal Method of Collecting Plankton, the Basis of Food Supply for Aquatic Animals

Egg and Potato Trick

Steel Wire Guns

A New Lifeboat

A Simplified Vapor-Condenser for Vacuum Pans

A Novel Spraying Device for Carbureters

Commodore Schley's Reconnaissance of Santiago Harbor

Our New Thirteen-Inch Guns

Broadsword Exercise on Men-of-War

Some American Forts

By C. F. Holder

Indian Kettles

By Cuyler Reynolds

To Inventors - June 11, 1898

Departments

  • Recommended

    New Books, Etc - June 11, 1898

  • Departments

    Recently Patented Inventions - June 11, 1898

  • Notes and Queries

  • Business and Personal - June 11, 1898

  • Index of Inventions - June 11, 1898

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June 11, 1898

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