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July Fourth in Our Shipyards, A New Chemical Show, and more

The Call for Ships Answered by Launching 450,000 Tons in a Single Day

The Government and the Distribution of Coal

The Wisest Kind of Regulation, and What It Would Do to Relieve the Situation

Strategic Moves of the War, June 25th, 1918

By Our Military Expert
The fourth German drive of 1918; the Italian front, and more

The Safety Zone for the Submarine

Is It Better to Face the Gun than the Depth Bomb?

By Percival A. Hislam

Filming Marine Life

How Curator Ditmars Makes Motion-Picture Studies of Aquaria for the Screen

Making Airmen Surprise-Proof, Electric Light and Power for the Farmer

[article on physiological testing of airmen]

By Robert H. Moulton

The Use of Patented Inventions by the United States Government

By E. B. Marshall

Sky-Rockets of the Night Fighters, The Current Supplement

[Article on illumination for trench warfare]
[The color cover image is associated with this article]


  • Letters

    Correspondence- July 6, 1918

  • Departments

    The Heavens in July, 1918

  • Inventions New and Interesting- July 6, 1918

  • Recently Patented Inventions- July 6, 1918

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