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 157
raws upon the staircase d,and if it he provided with an air-tightexternal door, it is supplied by c ; butif c also be destitute of any propersource of supply, air descends to itthrough the chimney b, and, if the at-mosphere be calm, or if the wind blowin the direction indicated by the up-per arrow,… … ELEMENTARY ILLUSTRATIONS OF VENTILATION. 133 279. Fig. 116 illustrates a similar action with three apart-ments, the kitchen-fire at a being supplied through d with airfrom c and c. 280. Fig. 117 shews the position of a fanner in the roof ofan apartment to be worked there, so as to induce…
