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 293
Fig. 208. 268 LARGE GAS BURNERS, quently equalized by obscured glass, or otherwise, is not con-sidered suitable, a series of flat jets thrown into circles, often Fig. 209. … presents a very pleasing effect. The annexed Figs. 210 and Fig. 212. Fig. 210.
