Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 318
be-neath the floor of the room.The air in the box becomesheated by contact with andradiation from the coil ofpipe in the box, and risesthrough a passage openinginto the room by means of aregister near the floor at C, aaipply of pure air being keptup by means of a tubularpassage opening into the… … Pio. 220. 302 MOLBCXTLAK DYNAMICS. less injurious. At the same time, tlie warm and partially vitiatedair of the room passes through the open ventilator A into theventilating-flue, and escapes, so that in a moderate length of timea nearly complete change of air is effected. It is evident that onthe…
Physics
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