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The Canalization of the Elbe and the Moldau

Aerial Navigation

By O. Chanute

The New York Rapid Transit Subway

Examples of Engineering in its Construction

The Dick System of Lighting Trains by Electricity

By Emile Guarini

Proposed Auxiliary Fire Protection Water Supply for Manhattan and Brooklyn

Contemporary Electrical Science

Coloring of Metals

By M. Paul Malherbe

Mining in Staffordshire in the Olden Time

Types of French Army Automobiles

By the Paris Correspondent of the Scientific American

The United States Army General Utility and Repair Automobile

Production of Artificial Precious Stones, Past and Present

By M. Alfred De

The Planning of a New Rome

The N-Rays

Korean Headdresses in the National Museum

By Foster H. Jenings

Electrical Notes

Engineering Notes

Trade Notes and Recipes

Trade Suggestions from United States Consuls

Selected Formulæ



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