Volume 109, Issue 11
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Features
How Mexican Rebels Destroy Railways and Bridges
The Military Value of Low Flying, The Two-speed Rear Axle and more
Opening of the World's Greatest Power Plant
Damming the Mississippi River to Produce 300,000 Hydro-electric Horse-power.
An Encyclopaedia on the Card-index System, Military Aviation in Italy and more
By Our Berlin Correspondent
The Current Supplement - September 13, 1913
The Industrial Need of Technically Trained Men.--VII
The Possibilities That Await the Hydraulic Engineer