The Enemies of Structural Steel

Our Naval Forces in the Pacific

Six Months Electric Operation of the Grand Central Station

Original Methods of Toning Developed Photographic Prints

Science Notes

A Remarkable Outcrop of Silver

Simple Apparatus for Producing the Manometric Flame

A New Automobile Race Track

Pile Foundations for Tunnel Tubes

New Railroad Construction in Canada and the Northwest

The Economical Surface Mining Operations of Cuba

Santos Dumont's Combined Aeroplane and Airship

By The Paris Correspondent of the Scientific American

Water-Walking Shoes