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The Strike at Creusot

Schneider-Canet Naval Turrets

American Railroads

Their Relation to Commercial, Industrial and Agricultural Interests

Tubular Bells

Progress in Chemical Arts

Gaston Tissandier

Mechanical Science

By William White

The Pollak-Virag System of High Speed Telegraphy

Test of the Marconi Wireless Telegraphy in the United States Navy

Boring for Gas and Petroleum in China

The Frozen Deposits of the North

Trade Suggestions from United States Consuls

Selected Formulæ

Miscellaneous Notes

Trade Notes and Receipts

Stream Measuring in the United States

By F. H. Newell

Report of the Chief of the Bureau of Steam Engineering

General Operations of the Bureau

The Fungous Infestation of Agricultural Soils in the United States


Ventilation and Sanitation of Theaters, Churches, and Railway Cars


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