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As to Alaska, Positive and Negative Natural Laws, and more

Protecting East St. Louis Against Floods

How a Large Industrial Center Was Rendered Permanently Secure Against Inundation

By Tampton Aubuchon

Dreadnoughts in a Heavy Gale

How 25,000-ton Warships Can Steam Against 30-foot Atlantic Rollers

Communication Between Aircraft and the Ground*

Adapting Wireless to the Requirements of Military Aircraft

By Major H. Bannerman-Phillips

Morning and Evening Stars for 1914

A Transit of Mercury

By Frederic R. Honey

Going Through the Shops-II

Our Associate Editor Sees How the Automobile Industry Has Stimulated Machine Tool Manufacture

By A. Russell Bond

A New Mechanical Tunneling Machine

A Machine That Drills Into Rock, Loosens the Material and Removes It to Cars

The Eskimos as Aboriginal Inventors

By A. L. Kroeber


  • Letters

    Correspondence- January 10, 1914

  • Departments

    Inventions New and Interesting- January 10, 1914

  • Recently Patented Inventions- January 10, 1914

  • Notes and Queries- January 10, 1914

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