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 156
,is not so important as the facility of attendance, and the greataltitude of the warm chimney which is then so easily commanded. 274. Fig. Ill shews the method of sustaining a descendingcurrent, an arrangement in opposition to the natural movementsof vitiated air, but nevertheless very important in… … Fig. 112.
