Volume 116, Issue 20
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Features
Blockading the Blockaders, Daylight Saving in France, and more
Motor Traction in Modern War
Making Our Army the Most Completely Motorized of Any in the World
[The cover image is associated with this article]
What a Soldier Eats
Comparative value of the food rations of different soldiers of different nations.
Building the Emergency Fleet
Plans for the Construction of Wooden Ships at the Rate of Three Per Day
Coperation Between Business Men and the Schools
Recent Chemical Developments- May 19, 1917
More Fish
Mechanical Aids in Loading and Unloading Trucks
Reducing to a Minimum the Idle Hours of a Commercial Motor Vehicle
A Keyboard Machine for Sorting Letters
Plants that Water Themselves, A Squash That Grew With a Force of Two and One Half Tons, and more
Feeding the Armies, A 40-Power Naval Telescope
Wartime Wireless Apparatus for Use on Land and Water
Testing Leather for the U. S. Government
Motor Tractors and Trailers
Using the Motor Vehicle as a Locomotive