The Neglected Water Power of New England, Trench Mortality, and more
Contains an editorial on statistics about trench mortality.
Volume 117, Issue 8
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Features
Electricity- August 25, 1917
Industrial Efficiency- August 25, 1917
Science- August 25, 1917
Gas Engine Drive for Submerged Submarines
A California Experiment Which Aims To Supplant the Storage Battery
Canning Tomatoes in California
What the Professional Canner Is Doing to Preserve Perishable Vegetables
A Week's Review of the War, August 16th, 1917
By Our Military Expert
The War of Specialists--The Machine Gunner
How the Machine Gun Has Influenced Modern Military Tactics