Volume 112, Issue 24
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Features
Strategic Moves of the War
By Our Military Expert
A Submarine Sunk by a Zeppelin
The Italian Navy
The First Navy to Set Afloat Ships Combining High Speed With Heavy Guns
The Westinghouse Electro-Pneumatic Air Brake on the Pennsylvania Railroad
The Use of Poisonous Gases in Warfare
How Gases Are Generated and How Men May Protect Themselves From Them
A Study in Instinct
The Leaf Roller and Its Writhings