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The New Steel

American and British Turbines

The Second Sea Power--America or Germany?

By Our English Correspondent


Engineering - March 3, 1909

Science - March 3, 1909

A Movable Lock for Inclined Canals

By H. Prime Kieffer

Possibilities of the Fusible Core Process

Explosive Energy of a Boiler

Morning and Evening Stars for 1909

By Frederic R. Honey

United States Life-Saving Steamer “Snohomish”

The Recent Subsidence of Niagara Falls

By Orrin E. Dunlap

The Isna Barrage across the Nile

Kettle Still

A Novel Electric Motor

Improved Garment Hanger

Improved Vehicle Wrench

Device for Operating Window Shutter


  • Departments

    Patents - March 3, 1909

  • Recently Patented Inventions - March 3, 1909

  • Index of Inventions - March 3, 1909

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