A New Form of the Fighting Aircraft, Unmuzzling Our Naval and Military Officers and more
The Navy is working on an aircraft that can launch a torpedo
Volume 113, Issue 24
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Features
How a Rifle is Sighted
Quickness and Accuracy Obtained with the Peep Sight
Difficult House-Moving Feat to Save Trees, Labor-Saving Equipment for Concrete Road Building and more
Strategic Moves of the War, December 4th, 1915
A Military Expert
Relics of Ancient Costa Rica
Metal-Working Methods of Primitive Central American Artisans Disclosed by Recovered Ornaments
Bog Moss for Surgical Dressings
A Substitute for Prepared Cotton Wool Discovered in England and Scotland