Goethals' Defense of the Panama Canal, United States' and World's Railways Compared, and more

Yachting in the Air

Huge Air Cruiser that Carries Eleven Passengers

Strategic Moves of the War, November 28th, 1916

By Our Military Expert

The Economical Ration for the Times

Bureau of Public Health Education, Department of Health, City of New York

Old-World Jewelry Made in America

Exploring a River Bottom from the Under Side

Unique Investigation of a Water Power Site

Eliminating Guesswork in Cinematography

A Motion Picture Laboratory Installed a Rebuilt Pullman Car

Conference on Fire Tests of Walls and Partitions, Making Photographic Color Prints on Silk Fabrics, American Chewing Gum in China