Volume 92, Issue 25
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Features
Eye-Strain and How It Can be Relieved
The Warships of the Future
Reclamation Work in Southern California
Engineering Notes
Electric Waves and Liquids
The Development of a Mollusk
The Gillespie Aeroplane
The United States Naval Observatory Eclipse Expedition
New Type of Electric Truck
Business and Personal Wants
The Production of Automobiles on a Large Scale
How a Million Dollar Automobile Plant was Designed and Set in Operation