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Scientific American, Vol. 74, No. 21 (1896) (1896)
leaf 7
allen since 1882, when it was which is held in a vertical pocket. At its lower end the atmosphere, it must be in very small quantity, 13°56 a thousand. Last year it was 11°85 a thousand, the tool holder is provided with a hinged tool flap, probably much less than a ten thousandth part.— This… … © 1896 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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