The American Colleges And Universities in the Great War 1914 1919 a History
The book The American Colleges And Universities in the Great War 1914 1919 a History was written by author Charles Franklin Thwing Here you can read free online of The American Colleges And Universities in the Great War 1914 1919 a History book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The American Colleges And Universities in the Great War 1914 1919 a History a good or bad book?
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" Much progress has been made with the dirigible type of airship thanks to the discovery of a cheap non-inflammable gas as a substitute for the dangerous hydrogen. This gas, helium, first discovered on the sun, was produced before the war at a cost of $1,500-$1,600 per cubic foot ; it is now found in such large quantities in the natural gas of some of the southwestern states that the cost of production per cubic foot is about $100; if this supply continues to hold out there is a great future fo...r the airship. " It goes without saying that the theory of aviation has been placed upon a much better foundation because of the thousands of experiments it has been possible to make; efforts at stabilizing are meeting with success and consid- erable improvement in the various instruments used has been made." Another American physicist, Professor Joseph S. Ames of Johns Hopkins University, writing before the signing of the armistice, of two great additions to the weapons of attack said : 122 Colleges and Universities in the Great War " There are two main probleras in connection with the submarine, first, to locate it, second to destroy it.
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