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The Automatic Railroad Stop, The Bureau of Chemistry's New Chief and more

Dr. Janeway's Insufflation Apparatus

By John B. Huber

Is a Forest a Storage Reservoir or a Stream Regulator?

Effect of Forest Land on Navigable Streams

By Guy Elliott Mitchell

The Military Supremacy of the Air—I

The Aeronautic Plans of Great Military Powers

By Theodore M. R. von Kéler

Aquatic Life in its Own Setting

A New and Fascinating Territory Opened to Nature-student

Edward Charles Pickering

By Marcus Benjamin

A Demonstration of Forestry Erosion Processes

By Stephen Byrd

New Information on Forest Fires


  • Letters

    Correspondence - December 28, 1912

  • Departments

    The Heavens in January, 1913

  • Inventions New and Interesting - December 28, 1912

  • Recently Patented Inventions - December 28, 1912

  • Index - December 28, 1912

  • Notes and Queries - December 28, 1912

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