The Trench System of Defense vs. The Pill-Box System, Comparison of Army and Navy Efficiency, and more
[the front-page article shows an illustration of a generic German bunker]
Volume 117, Issue 25
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Features
Automobile- December 22, 1917
Science- December 22, 1917
Industrial Efficiency- December 22, 1917
The second page contains photographs of the harbor of Halifax after the explosion of the munitions ship "Mont Blanc"
Recording Sound on Motion-Picture Film
A Simple Method of Synchronizing Sound Waves and Images in Talking Pictures
The Battle Control for the Rifle
A Neglected Means of Increasing Infantry Efficiency Many Fold
Zeppelin, Aeroplane and Parachute
The Present Status of War by and on the German Dirigible
Our Destroyers in the War Zone
An Exciting Service Which Calls for Initiative, Courage and Endurance
Our Great Need for Toluol and a New Way to Make It, Process for Using Spoiled Potatoes
[toluol is used for making high explosives]