Volume 117, Issue 2
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Features
Science- July 14, 1917
Astronomy- July 14, 1917
Aeronautical- July 14, 1917
A Sea Fight in the Adriatic
Destroying a Mine-field Under the Guns of the Enemy
Strategic Moves of the War, July 5th, 1917
By Our Military Expert
Doing Our Bit--II
Present Conditions and the Remedy
Pictured Physiology
How Study of the Human Mechanism Is Made Popular for Young Readers
A Business Shock Absorber
How the Commercial Economy Board of the Council of National Defense Is Teaching War Economies
Submarine Problem--VII
The Zig-Zag Course as a Defense Against Submarines