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 123
ULiJLi* i iii Fig. 47. Fig. 48. … f, fn \ (?h to come in contact with the iron frame-work of the grate before MOVEMENTS INDUCED IN AIR BY HEAT. 99 it enters the apartment which it is to heat. The figure re-presents the currents, according to the arrangements adoptedby Mr Adams of Falkirk. 198. Fig. 48 points out the progress of the…