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

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

Hawaiian Blowholes, Recent Completion of the Kensico Reservoir

Converted Automobile as Motive Power for Mine Cars, Remote Controlled Electric Piano for Picture Theaters and more