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Features

A Well Rounded Fleet, A Flight of Fancy and more

The Freight Congestion at the Port of New York

Object Lesson Emphasizing our Urgent need of a Merchant Marine

By Herbert T. Wade

Progress of the Seagoing Flying Boat

The Curtiss seaplane, construction and use in anti-submarine warfare

By Baron Ladislas D*amp*apos;orcy

Strategic Moves of the War, December 16th, 1915

Our Military Expert

Explanation of the Double Report of Gunfire

The following article is of special interest when compared with the letter of Mr. Hiram Percy Maxim, published in the Scientific American of September 18th last. Although Mr. Maxim approached the subject from a widely different angle he reached the same conclusions as did Lieut. Zerbee. In justice to Lieut. Zerbee, we wish to explain that the present article was received in March, 1914, long before Mr. Maxim's letter was written, but was mislaid and has only just come to light.

By Leigh F. J. Zerbee

A Government Fossil Tract in Utah

By Arthur Chapman

Christmas in the Air, Benzine Tractor, for Railway and Road Service and more

Christmas in the Air
Benzine Tractor for Railway and Road Service
16-Inch Gun for Coast Defense Service for Panama
and more

By Carl Dienstbach

United States Patents Issued for Week Ending December 28th, 1915

Departments

  • New Books, Etc. - December 25, 1915

  • Letters

    Correspondence - December 25, 1915

  • Departments

    Inventions New and Interesting - December 25, 1915

  • Recently Patented Inventions - December 25, 1915

  • Index - December 25, 1915

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December 25, 1915Cover Image: Taking a torpedo aboard a U.S. submarine

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