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Diverging Again

Delay in the Construction of Warships

Block Signals and the Automatic Stop

The New Cunarders

The Effect of Fire on Bridge Cables

The Scientific American and the Introduction of the Telephone Into Europe

Extraordinary Immigration Figures

Science Notes - March 7, 1903

Amendment to the United States Patent Statutes

To Detect Fire at Sea

The Death of Dr. Richard J. Gatling

A New Departure in Ship Logs

Self-Winding Clock

By Day Allen Willey

The Action of a Bird's Wing And Its Bearing on the Problem of Mechanical Flight

By T. Byard Collins

Electric Locomotives for Yard and Shop Work

Extension of Transit Facilities in New York

The Latest Himalaya-Climbing Expedition

By Herbert C. Fyfe

Venomous Serpents--iv

By Randolph I. Geare

Mechanical Toy

Artificial Horizon

A New Acid Chamber for Sulphite Works

Seed-Cleaner for Grain Separators


  • Departments

    Notes and Queries - March 7, 1903

  • Business and Personal Wants - March 7, 1903

  • Recently Patented Inventions - March 7, 1903

  • Index of Inventions - March 7, 1903

  • New Books, Etc.

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March 07, 1903