Eye-Strain and How It Can be Relieved

Increasing the New York Water Supply

The Warships of the Future

Reclamation Work in Southern California

Electric Waves and Liquids

Engineering Notes

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