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
Volume 119, Issue 1
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Features
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?
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]
The Use of Patented Inventions by the United States Government
Sky-Rockets of the Night Fighters, The Current Supplement
[Article on illumination for trench warfare]
[The color cover image is associated with this article]