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Observation of the Solar Eclipse Carried on by the Astrophysical Observatory, Smithsonian Institution

Machinery and the Man

By Alexander E. Outerbridge

The Miner's Inch

Machine for Raising Water from a River to the Height of the Diameter of a Large Wheel

Exposition of Automobiles at Brussels

Gasoline Engines for Sailing Vessels

A Novel Fire Escape

Mechanical Traction in Paris.—II

Method of Determining and Expressing the Fastness of Colors to Light

A Historical Sketch of Slag Cement

By William Kendrick Hatt

Dugong Hunting in the Torres Straits

Seismology in Japan

The Social Service of Science

Women Inventors

Contemporary Electrical Science

The Saint-Chamond Coast Guns

Electrically Operated Punching Presses

A New Connection between the Gravity Measures of Europe and of the United States

Some Practical Laboratory Devices

By Fred k T. Gordon

Why we have the Balance of Trade

Trade Suggestions from United States Consuls

patents

Trade Notes and Receipts

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