Volume 118, Issue 15
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Features
How Wireless Helps the Mariner
Keeping Navigation Posted by Means of the Radiometer and the Radiophore
Pages also contain an article on women tractor drivers in England
Strategic Moves of the War, April 3d, 1918
By Our Military Expert
[subject is on the failure of the German Spring Offensive]
Guns of the "Queen Elizabeth"
The 15-inch Piece That Bombarded Galliopoli
World Markets for American Manufactures--April 13, 1918
A department devoted to the extension of American trade in foreign lands