Volume 118, Issue 5
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Features
Protection for the Port of New York, Conservation of the Nation's Water Power, and more
The High Heel in Motion Picture and X-ray
The Latest Scientific Wrinkles as Applied by French Doctors to Investigating This Sore Subject
Who Exports--And How?
Where Manufacturer, Commission Man and Export House Come In
The Twentieth Century Trolley Hospital
Some of the Interesting Features of Cleveland's Big Electric Railroad Repair Shop
Shotguns for Our Aviators
The Spad Pursuit Biplane
"THE most successful fighting airplane in the world today"
Mechanical Equipment of the Farm
Latest developments in agricultural machinery and practical suggestions for the farmer