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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


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

Suez Canal Statistics

Preparation of Firm Lubricants

Train Lighting with Steam Turbines

By Geheimrath Wichert

Manufacture of Steel by the Electric Furnace

Blowing Engine

An Automobile Railway Trolley Tower Wagon

German Method of Drying Wood

Danger from Electric Shock

The Serpollet Steam Automobile

IV. the Burneb

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

By J. R. Collins

Automatic Plane

The Curious Plant-Breeding Station in Sweden

Crude Ammonia as a Fertilizer

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


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August 01, 1903

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