A State of War, Plunging Fire and Naval Construction, and more
[Editorial on how close Germany and the U.S. are to open warfare]
Volume 116, Issue 13
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Features
Twenty Years' Development of the Holland Submarine
Growth from the 73-Ton, 6-Knot Boat of 1895, to the 1454-Ton, 20-Knot Fleet Boat of 1915
[The cover image for the issue is associated with this article]
The Largest Anchor and How It Is Tested, A Baby Tractor of Great Power
Strategic Moves of the War--March 22nd, 1917
Our Military Expert
The Birth of a New Industry
Vast Canadian Deposits of Asphaltic Sand and How They May Be Developed