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The Latest and Largest English Express Locomotive

University of Pennsylvania Lecture Course— III

Student Life at the Close of the Middle Ages

Cagliostro's Paris House

The Progress of Submarine Navigation

Care of Asphalt Streets in Germany

Trade Suggestions from United States Consuls

Electrical Notes

Selected Formulæ

Engineering Notes

Samoa's Latest Troubles

Crime and the Weather

Ancient Glass Mirrors

The Extermination of the Mosquito

The Cork Tree, Quercus Suber—Its History, Cultivation, and uses

By Nicols Pike

British Agriculture in 1898

Brown's Boiler Scaling Hammer and Firebar Inserter

Turf Briquettes in Germany

The Turgan Steam Generator

Electric Railways in Germany

Germain's Loud Speaking Telephone

Ætheric Telegraphy

By W. H. Preece

Liquid Air and Explosives

By Frederichk H. McGahie

Photographing Bacteria

By Edmund J. Spitta

Apparatus for Stopping Ships

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    June 03, 1899

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