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A 75,000 Horse Power Turbine Plant

Warship Construction in Private and Government Shipyards

By Our London Correspondent

The Changes in the Croton Dam

Permanence of Steel Framework in Tall Buildings

Shamrock III

By Our Glasgow Correspondent

Spices--Pure and Otherwise

By A. S. Atkinson

The Second East River Rapid Transit Tunnel to Brooklyn

The Montreal Grain Elevator

Bull's Selective System of Wireless Telegraphy

By A. Frederick Collins

The Pneumatic Tube System of a Modern Department Store

By Day Allen Willey

A Curious Elliptical Bridge

Where Olives Grow

By Charles F. Holder

Curious Jade Carvings from Mexico

By Walter L. Beasley


  • Departments

    Science Notes - March 21, 1903

  • Correspondence - March 21, 1903

  • Business and Personal Wants - March 21, 1903

  • Recently Patented Inventions - March 21, 1903

  • Notes and Queries - March 21, 1903

  • Index of Inventions - March 21, 1903

  • New Books, Etc. - March 21, 1903

  • Patents - March 21, 1903

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March 21, 1903