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 471
ient, extra force being then also applied at/ below, Diagram 9 \ 23. Is even this provision not sufficient in the case underconsideration, and must some special additions be made to enablematters to proceed with satisfaction \ See Diagram 10, page 49. 24. Do the arrangements indicate the necessity… … v_ j 25. Is it an object, when the air which enters is divided intotwo portions, each passing to very different channels, c and d,Diagram 12, that the air from c should not enter an ascendingshaft, except at some distance above the fire-place, that it may be far beyond any fire orflame, such as…
