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Some Thoughts on the War, When the German Fleet Comes Out and more

Strategic Moves of the War

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A Submarine Sunk by a Zeppelin

By C. Dienstbach

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

By Herbert T. Wade
The Use of Poisonous Gases in Warfare
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The Use of Poisonous Gases in Warfare

How Gases Are Generated and How Men May Protect Themselves From Them

By John B. C. Kershaw

A Study in Instinct

The Leaf Roller and Its Writhings

By Harold Bastin

Preventing the Corrugation of Street Car Rails

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    Recently Patented Inventions - June 12, 1915

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June 12, 1915Cover Image: Using the Searchlight to Repel a Night Attack
[modern note: such a tactic would make the light the target of every gunner and rifleman within miles]
 

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