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 305
the manner represented, meeting at right angles with the coldair from A, so as to promote, as much as possible, a completemixture. Fig. 218.—As the air advances from T T to the equalizingchamber, between it and the floor, it strikes upon the dispersersILL, and then flows in a slow, but uniform… … VENTILATION OF THE HOUSE OF COMMONS. 281 apertures in the floor, gradually escaping through the hair floor-cloth HHH, from which it ascends to the ventilator M M M,and descends by N, from which it passes to the air-shaft.The rapidity of the movement is regulated by the valve X, whichcan be opened…
