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Features

Whale Oil

By Charles H. Stevenson

A New Type of Rail

Details of the New Constantinople- Bagdad Railway

The Typical College Courses Dealing with the Professional and Theoretical Phases of Electrical Engineering

Celebration of the Twenty-Fifth Anniversary of the Invention of the Edison Incandescent Lamp

Contemporary Electrical Science

Foreign and American Types of Electrically-Operated Horizontal Boring- Machines

By Frank C. Perkins

The Present Position of the Theory of Electrolysis

Thorium: A Radioactive Substance with Therapeutical Possibilities

By Samuel G. Tracy

A Calorimeter for Coal and Oil

Conductivity of Dielectric Liquids under the Influence of the Radium Rays and of the Roentgen Rays

By M. P. Curie

French Automobile Railroad

The Launch “Moguntia” of the Mainzer Rudder-Verein

On the Heat given off from Radium

Tobogganing in a Basket

By Laura B. Starr

Electrical Notes

Engineering Notes

Trade Suggestions from United States Consuls

Patents!

Selected Formulæ

Departments

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March 05, 1904

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