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"The Valor of Ignorance", Pulp From Cotton Stalks and more

An attack on the Wilson Administration's plans for a considerable increase in Naval forces.

Recent German Naval Construction

By M. K. Barnett

The Future of Radio Telephony

Significance of the Recent Achievement in Long Distance Radio-Transmission of Speech

By E. H. Colpitts

Strategic Moves of the War, November 24th, 1915

By Lieut. J. B. W. Gardiner

The Passing of the Steam Locomotive

Railroad Electrifications of Marked Importance

By Charles B. Brewer

Future Possibilities of Electricity

Some Sources and Applications That Await Development

By Carl Hering

The Manufacture of English 12-Inch Guns

By Carl F. Jeansen

The Intermittent Waterfall

Using the Power of Niagara Falls Without Impairing Its Scenic Beauty

By E. Dunn

Electricity in Present-Day Warfare

Serving Two Diametrically Opposed Functions: More Efficient Warfare and Better Treatment of the Wounded

Electric Heating and Cooking

Some Suggestions as to Possible Future Development

By P. Wilcox Gumaer

Departments

  • Letters

    Correspondence - December 4, 1915

  • Recommended

    New Books, Etc. - December 4, 1915

  • Departments

    Recently Patented Inventions - December 4, 1915

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December 04, 1915Cover Image: Searchlight mounted on a truck catches an enemy dirigible in its beam.

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