A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 384
dison, and shown in Fig. 400, in elevation, andin Fig. 401, in vertical section, the disc of iron isreplaced by a series of small iron tubes, or di-vided annular spaces, heated by the products ofcombustion from a fire placed beneath them. Inorder to render this heating local, a flat screen isplaced… … Fig. 4OO. Pyromagnetic Motor. tubes so screened. This is shown in the draw-ings, the direction of the heating and the coolingair currents being indicated by the arrows. The
Electricity · Electrical engineering
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