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Inventors at work, with chapters on discovery (1906)

Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 123

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ir gentle heat does not parch theair; in moderately cold weather they render itunnecessary to light furnaces which develop,at such times, unduly high temperatures. In factories the heating coils filled withsteam or hot water were at first fastened tothe floor. Then came attaching them to theceiling… … Canadian box stove with gallows-pipe.

Inventions · Inventors

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