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Flooring the Sea with Concrete, Death of Theodore Berliner and more

Flooring the Sea with Concrete
Death of Theodore Berliner
Shall There Be a Neutral Coalition
Influence of the War on Science


and more

By W. J. L. Kiehl

The Machine-Gun and its Development

By Neal Truslow

A Car with Electro-Magnetic Transmission

A Solution of the Change-Speed Gear Problem

Strategic Moves of the War, November 17th, 1915

By J. B. W. Gardiner

Manufacture of Steel Helmets for the French Soldiers

Why and How Two Million of These Head Protectors Were Made in Six Months

By Jacques Boyer

A Shell with a Base-Cap that Precludes Premature Explosion

Departments

  • Recommended

    New Books, Etc. - November 27, 1915

  • Departments

    The Heavens in December, 1915

  • Inventions New and Interesting - November 27, 1915

  • Recently Patented Inventions - November 27, 1915

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November 27, 1915Cover Image: A new type of Hotchkiss machine-gun employed by the French. Article on the machine gun and its development is on page 464.

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