SA Supplements Vol 51 Issue 1325supp

SA Supplements

Volume 51, Issue 1325supp

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Features

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

Machinery and the Man

Alexander E. Outerbridge

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

The Miner's Inch

A Novel Fire Escape

Gasoline Engines for Sailing Vessels

Exposition of Automobiles at Brussels

Mechanical Traction in Paris.—II

Method of Determining and Expressing the Fastness of Colors to Light

A Historical Sketch of Slag Cement

William Kendrick Hatt

Seismology in Japan

Dugong Hunting in the Torres Straits

The Social Service of Science

Women Inventors

Contemporary Electrical Science

The Saint-Chamond Coast Guns

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

Electrically Operated Punching Presses

Why we have the Balance of Trade

Some Practical Laboratory Devices

Fred k T. Gordon

Trade Suggestions from United States Consuls

Trade Notes and Receipts

patents