A Battleship that will Never Sail the Seven Seas, Electrolytic Iron for Commercial Use
Recruiting "battleship" built in Union Square Park, New York.
Volume 116, Issue 23
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Features
The Gun Accident on the Mongolia, Manning Our Merchant Marine, and more
Submarine Problem--II
Internal Construction and Operation of the German U-Boat
A Victim of U-Boat Pirates
Strategic Moves of the War--May 31st, 1917
By Our Military Expert
The Electric Arc in Wireless Telegraphy
How the Once Erratic Generator Has Been Developed Into a Most Successful Radio Transmitter
How to Make Ships Torpedo-Proof
Principle Employed Similar to that of the Gun Silencer
By Hudson Maxim
With the Soldiers Who Fight Underground, Speeding up the Flight of the American Seaplane
Mining and countermining on the Western Front
[The cover image of this issue is associated with the mining article]