Volume 119, Issue 2
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Features
"Unsinkable" Cargo Ships, Something for Nothing, and more
Motion-Picture Portrait Photography
Taking Dozens of Photographs at One Sitting To Obtain Natural Portraits
Mountains of Oil
Vast Quantities of Petroleum To Be Extracted from the Shale Cliffs of Colorado
Work of the War Trade Board
How and Why Our Foreign Trade Is Being Federally Regulated
Shadows Cast During a Partial Eclipse, Notice to Our Subscribers
The French Design an Unsinkable Ship
A 4,250-Ton Freighter that Would Survive the Blows of Several Torpedoes
Machines for Making Wooden Ships
The Application of Modern Methods to a Very Ancient Task
World Markets for American Manufactures- July 13, 1918
A department devoted to the extension of American trade in foreign lands
A Further Advance in Mechanical Surgery, Re-Dressing "Dude" Shells in New Working Clothes, and more
A department devoted to the extension of American trade in foreign lands
Mechanical Equipment of the Farm- July 13, 1918
Latest developments in agricultural machinery and practical suggestions for the farmer