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Space & Physics
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How to Interpret the Facts of Geology
Sven Hedin's Exploration in Central Asia
The Erosive Action of the Mississippi
The “Peache” High-Speed Engine at the Glasgow Exhibition
Gold Supply and History
Machine for Raising Water by the Method of Archimedes' Screw
The Liverpool Motor-Vehicle Trials
The Progress of Science
By R. S. Woodward
Experiments with Sound Signals
The Scale Insect and Mite Enemies of Citrus Trees
By C. L. Marlatt
How Arctic Animals Turn White
By R. Lydekker
Development of the Kentucky Asphalt Deposits
By Frank C. Perkins
Contemporary Electrical Science
Trade Suggestions from United States Consuls
Trade Notes and Receipts
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