The New Steel

American and British Turbines

The Second Sea Power--America or Germany?

By Our English Correspondent

Electricity

Engineering - March 3, 1909

Science - March 3, 1909

A Movable Lock for Inclined Canals

Possibilities of the Fusible Core Process

Explosive Energy of a Boiler

Morning and Evening Stars for 1909

United States Life-Saving Steamer “Snohomish”

The Recent Subsidence of Niagara Falls

The Isna Barrage across the Nile

Kettle Still

A Novel Electric Motor

Improved Garment Hanger

Improved Vehicle Wrench

Device for Operating Window Shutter