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The Russian Petroleum Industry

Manufacture of Vaseline and Other Industrial Residues from Petroleum

Sorghum Sugar

By Oscar Houck

Hereford Cathedral

The Vibration of Steam Vessels

By Otto Schlick

Steam Derrick Car

Coal Hopper Cars

High Speed on American Railways

Portable Railway, Car, and Locomotive

History of the Electric Telegraph

Electric Lighting of the Scala Theater at Milan

Jean Baptiste Dumas

Modern Methuselahs

By G. Archie Stockwell

Submarine Explorations

The Expedition to Search for Lieut

By Greely

The Ruby-Throated Hummingbird

How to Save Teeth from Decaying


  • Departments

    Patents - May 31, 1884

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