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 359
\ ■ \1 I// b y p c N> • 11 u_ h / c N\ a I 5 ~~i. ~ ceiling. By introducing diffusion at the cornice c, the ventila- Fie. 2i9. … tion is improyed. When gas-lights are used, or oil-lamps, theyshould he arranged as described in the chapter on lighting. 735. Before the ventilation of any apartment can be at alldepended on, it must be seen that the source of supply, and thechannel of discharge, are not subject to the…
