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 160
136 ELEMENTARY ILLUSTRATIONS OF VENTILATION. may overcome the chimney and draw air from it, if there he nosufficient ingress for the supply of hoth. 287. Figs. 126 and 127 indicate the progress of warm airadmitted into any room having only an imperfect discharge nearthe floor, the hot air at once…