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The Balloon in Modern Warfare

The Modern System of Teaching Practical Inorganic Chemistry and its Development

Trade Notes and Receipts

The Parallelogram of Motions

By C. W. MacCord

The Armored Cruiser “Jeanne D'arc.”

A Case of Total Gastrectomy

By Vieira De Carvalho

A Chinese Physician

By William E. S. Fales

Trade Suggestions from United States Consuls

Steam Engines at the Exposition of 1900

The Wine Industry in Chile

Collodio-Chloride Emulsion

By C. T. Sutton

Acetylene and its Adaptability as a Motive Power for Vehicles

By E. C. Oliver

Microphotography as an Aid in Scientific Research

By Curt Schmidt

Results of Experimental Work in Agriculture in Canada under Government Organizations

The Balalaikists

Three American Types Reduced from Physical Measurements

Contemporary Electrical Science


The Cryolite of Greenland


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