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Features

A New Form of the Fighting Aircraft, Unmuzzling Our Naval and Military Officers and more

The Navy is working on an aircraft that can launch a torpedo

By Robert G. Skerrett

How a Rifle is Sighted

Quickness and Accuracy Obtained with the Peep Sight

Difficult House-Moving Feat to Save Trees, Labor-Saving Equipment for Concrete Road Building and more

Strategic Moves of the War, December 4th, 1915

A Military Expert

Relics of Ancient Costa Rica

Metal-Working Methods of Primitive Central American Artisans Disclosed by Recovered Ornaments

By Walter L. Beasley

Bog Moss for Surgical Dressings

A Substitute for Prepared Cotton Wool Discovered in England and Scotland

By Charles M. Maigne

Hawaiian Blowholes, Recent Completion of the Kensico Reservoir

By Vaughan MacCaughey

Converted Automobile as Motive Power for Mine Cars, Remote Controlled Electric Piano for Picture Theaters and more

Departments

  • Letters

    Correspondence - December 11, 1915

  • Recommended

    New Books, Etc. - December 11, 1915

  • Departments

    Inventions New and Interesting - December 11, 1915

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December 11, 1915Cover Image: The "D-1" going into the new submarine base at New London, Connecticut, after the recent maneuvres.

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