Illustrations of the theory and practice of ventilation : with remarks on warming, exclusive lighting, and the communication of sound (1844)
Reid, D. B. (David Boswell), 1805-1863 · London : Longman, Brown, Green, & Longmans · leaf 121
mstances, theexpanded warm air being always pressed upwards by anycolder and denser air, and the movement being more or lessrapid, according to the difference of temperature and amountof expansion between the air that is heated and the cold air incontact with it. 188. Fig. 38 illustrates the manner… … MOVEMENTS INDUCED IN AIR BY HEAT. 97 long as any inequality of temperature is maintained in a confinedatmosphere. Fig. 39. Fig. 40. > Fig. 41.
