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The Widening of London Bridge

By Harold J. Shepstone

Coal-Tar Oils in the Manufacture of Paint and Varnish

By Oskar Markfeldt

Preparation of Firm Lubricants

Suez Canal Statistics


A New printing process without light, a new epoch in photography

Train Lighting with Steam Turbines

By Geheimrath Wichert

Manufacture of Steel by the Electric Furnace

Blowing Engine

An Automobile Railway Trolley Tower Wagon

Danger from Electric Shock

German Method of Drying Wood

The Serpollet Steam Automobile

IV. the Burneb

The Application of Kelvin's Theory of the Ether to the Stellar Universe

By J. R. Collins

Crude Ammonia as a Fertilizer

Automatic Plane

The Curious Plant-Breeding Station in Sweden

A New Method of Studying Storms

By Emile Guarini

The Origin of the Thoroughbred Horse

Electrical Notes

Engineering Notes

Trade Suggestions from United States Consuls

Selected Formulæ


  • Departments

    Patents - August 1, 1903

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