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Machinery for Charging and Drawing Gas Retorts

Artificial Fuel Gas

By Henry Wurtz

Oil in Colorado and Wyoming

Vosper's Oil Engine

Deep Boring near Freidstadt, Austria

Gas Motors for Street Railways

His Excellency Señor Don Luis Cordero, President of the Republic of Ecuador

Telephone Rates in Europe

Nickel—Its History, uses, and Distribution

By A. G. Charleton

Right and Left Sightedness

The Adulteration of Food

By H. W. Wiley

Hotel Hygiene

Some Thoughts on Pharmacy as a Profession

By Saml. P. Sadtler

The Arctic Expeditions of 1894

The Bacillus Anthrax in California

The Wellman Polar Expedition

Means of Protecting Plants against Blight and Insects

American Sheep

Irritability of Plants

Cypripedium Machrochilum Giganteum

News about another World

Departments

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June 16, 1894

Help Us Reforest the Mississippi River Valley

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