Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 567
virtue of its buoy-ancy, through the tin conducting-tubes, andcold air is pressed in from the outside of the building tO supplyits place. A furnace of this kind (Chilsons) is represented inFig. 392, and the arrows indicate the direction of the currentsof air. The ascensional force of heated air is… … Fig. 392. HEAT. 543 furnace, is represented in Fig. 393. The smoke-flue of the fur-nace, formed by a cast-iron pipe -4, rises in the centre of alarge brick shaft B, with which the diiferent roomsof the building connect. The radiant heat of thisiron flue heats the air in the shaft, and thus causesa…
Matter · Heat
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