Volume 116, Issue 12
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Features
A Call for Instant Action, Industrial Man Power and the War, and more
Where Cotton Vies with Steel
Taking the Noise out of the Machine Shop with Cotton Gear-Wheels
Two Weeks' Review of the War, March 15th, 1917
By Our Military Expert
[This issue covering the war in Mesopotamia]
Novel Pets and how to Keep Them
Hints for Nature Study Sections of Schools