Scientific American Magazine Vol 116 Issue 21

Scientific American Magazine

Volume 116, Issue 21

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Features

The Staggering Cost of Modern Warfare

Front page article on the cost of the war paid by several countries.

Albert A. Hopkins

Submersible Freighter Versus the Submarine, United States Patents Owned by Germans, and more

Army Uniforms by the Millions

What Fifteen Thousand Uniforms a Day Means in the Way of Labor-Saving Methods and Machinery

Strategic Moves of the War--May 17th, 1917

By Our Military Expert

Military Engineering

What Germany has Learned from Russia About Trenches and Cover

Albert K. Dawson

What I Can do for My Country

IV. The Mechanic and Skilled Workman

India's War Flower

The mahua or mhowra tree, contains acetone in quantity, useful for munitions.

Our National Waste, Property Losses, and more

Departments

Correspondence- May 26, 1917

Inventions New and Interesting- May 26, 1917

Recently Patented Inventions- May 26, 1917

New Books, Etc.- May 26, 1917