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Electrical Method for Determining the Variations of Mineral Waters

Future Reconstruction of the Brooklyn Bridge

Recent Developments in the British Navy

By our English Correspondent

National Physico-Technical Laboratories

By H. Pellat

Science Notes

The Work of the Egyptian Exploration Fund

By our English Correspondent

Baby Incubators at the Pan-American Exposition

The New Riverside Viaduct, New York

The Three Great Suspension Bridges across the East River, New York

A New Kind of Water-Tank

The Largest Floating Dock in the World

By our English Correspondent

A Wave Motor

By Charles F. Holder

Some Remarkable Tree Growths

Nemethy's Flying-Machine

The Failure of the Brooklyn Bridge

A New Semi-Dry Battery


  • Departments

    Correspondence - August 3, 1901

  • New Books, Etc - August 3, 1901

  • Recently Patented Inventions - August 3, 1901

  • Business and Personal Wants

  • Notes and Queries - August 3, 1901

  • Index of Inventions - August 3, 1901

  • Patents - August 3, 1901

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