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The Efficiency of the Steam Turbine

The Ship-Subsidy Bill

Moving Picture Litigation

Death of Lord Armstrong

The Thirteenth Annual Meeting of the Geological Society of America

By Edmund O. Hovey

Proposed Improvements at the Sault Ste. Marie Canal

Irrigation in the Hawaiian Islands

A New Quick-Firing Gun

The Building and Repairing of Tall Chimneys

The Zodel Flexible Coupling

A Simple Method of Broaching Brasses and Bearings

A Large Lathe for Turning Granite Columns

Curious Effects of Boiler Explosions

By D. A. Willey

Dredges for the New 40-Foot Channels of New York Harbor

Three Recently Patented Novelties


  • Departments

    Correspondence - January 12, 1901

  • Business and Personal - January 12, 1901

  • New Books, Etc. - January 12, 1901

  • Notes and Queries - January 12, 1901

  • Index of Inventions - January 12, 1901

  • Recently Patented Inventions - January 12, 1901

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