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Features

Opportunity for American Steel Construction at Messina

The Menace of the Noiseless Gun

The Subway Situation

Limitations of the Hydroplane

Aviation in America and the Scientific American Trophy

Engineering

Science

Improved Forms of the Buggy-Type Automobile

The Schneider Torpedo-Launching Station

Accuracy in Scientific Diction

From the Track-Walker's Standpoint

What is the Selden Patent?

By Charles B. Haywood

The Locust Tree: An Important Field for Investigation

First Aid to Those Injured by Electricity

Progress of the 20,000-Ton "North Dakota"

Handy Man's Workshop

Home-Made Spring Winder

By J. O. Brouillet

Forging a Masthead or Boom Ring

By I. G. Bayley

An Interesting Experiment and Its Explanation

By Alfred P. Morgan

Departments

  • Departments

    Correspondence

  • Recently Patented Inventions

  • Notes and Queries

  • Patents

  • Index of Inventions

  • New Books, Etc.

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March 20, 1909

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