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Scientific American, Vol. 58, No. 9 (1888) (1888)
leaf 7
as to saturate the working cylinder. An air pump, A, draws air from the mixed with the air, but in passing through the re- air with water vapor, and keep down the temperature atmosphere and compresses itinto the multitubular ves- generator it is superheated to such an extent as to due to… … THE HARGREAVES THERMO-MOTOR. © 1888 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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