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 Call for Ships Answered by Launching 450,000 Tons in a Single Day
The Wisest Kind of Regulation, and What It Would Do to Relieve the Situation
By Our Military Expert
The fourth German drive of 1918; the Italian front, and more
Is It Better to Face the Gun than the Depth Bomb?
How Curator Ditmars Makes Motion-Picture Studies of Aquaria for the Screen
[article on physiological testing of airmen]
[Article on illumination for trench warfare]
[The color cover image is associated with this article]