Sandy Hook Coast Defenses

Plans of our 20,000-Ton Battleship

Long-Distance Ocean Race for Motor Boats

Conditions Governing the Race from New York to Bermunda

Notes on Recharging Oxygen Gas Tanks

Opening of the New Grand Central Temporary Station

The German Marine Research Boat “Planet”

The Rebuilding of the Campanile at Venice

Controlling the Colorado River and Salton Sea

Recent Airship and Aeroplane Experiments in Europe

By the Paris Correspondent of the Scientific American

Lubricator for Steam Engine Cylinders

A New Form of Railway Rolling Stock Construction

A New Hand-Propelled Automobile for Children

Business and Personal Wants

READ THIS COLUMN CAREFULLY--You Will find inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us at once and we will send you the name and address of the party desiring the information...