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Proper Care for Our Soldiers

Our Great Agricultural Supremacy

Relief for the Patent Office

Street Cleaning in European and American Cities

A Coin-Controlled Bicycle-Pump

A New Rotary Engine

An Improved Differential Gearing

A Standard of Wealth in Russian Armenia

By E. O. Hovey

An Improved Trace-Holder

A Novel Sash-Holder

The Wild Tribes of the Philippines

By J. B. Steere

A Beautiful Experiment

By H. B. Dailey

The Boilers and Bulkhead Doors of the "Chicago"

To Inventors - June 25, 1898


  • Departments

    Business and Personal - June 25, 1898

  • Recently Patented Inventions - June 25, 1898

  • Notes and Queries - June 25, 1898

  • Index of Inventions - June 25, 1898

  • Index - June 25, 1898

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