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The Manufacture of Chili Saltpeter

The Technical and Commercial Aspect of a Threatened Industry

By B. Diaz-Ossa

A Museum of underground Life

And the “New Grotto” at Adelsberg

The Second Law of Thermodynamics

With Notes on the Thermodynamics of the Atmosphere

By Charles P. Steinmetz

Damming the World's Greatest River

Harnessing the Mississippi for Two Hundred Thousand Horsepower

By H. S. Rogers

Iron, Vanadium and Carbon in Steel

Their Chemical and Mechanical Relations

By J. O. Arnold and A. A. Read

The Cryogenic Laboratory at Leyden

The World's Center for Low Temperature Research

By G. Bresch

The Production of Ethyl Alcohol from Waste Products

By Alcan Hirsch

Langley's Book on Aviation

A Classic in Practical Aerodynamics

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    Scientific American Supplements Volume 74, Issue 1910supp

    Think Outside the Gift Box