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Electricity or Steam for High-Speed Railways

The Stations of the Rapid Transit Subway

Roentgen Ray Burns

Our Vast Steel Industry

Guarding Against the Submarine

Admiral Sampson

The United States and the Metric System

The Photorama

The Venice of Long Island

Manufacture of Steel Rails--II

A New Heater

The Introduction of the Steam Turbine for Light and Power Work

By Frank C. Perkins

Buttes and their Formation

By Charles Frederick Holder

Automobile Department

The Simms Armored War-Car

Some Modern Automobile Accumulators

Monster Crustaceans at the American Museum of Natural History

By Walter L. Beasley

Business and Personal Wants


  • Departments

    Legal Notes - May 17, 1902

  • Recently Patented Inventions

  • Index of Inventions - May 17, 1902

  • Notes and Queries - May 17, 1902

  • Patents - May 17, 1902

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May 17, 1902

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