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 285
ave a sufficient and controlledsupply of air; the thick curved line between aand b, Fig. 189, indicates one of the modes ofarranging the director in solar lamps. 622. In argand lamps the most brilliantflame is not necessarily that which, is bestadapted to all the circumstances under which they may… … MODES OF AFFECTING THE FORM AND SIZE OF FLAME. 261 1. An excess of air entering externally by a, a, and inter-nally by &, causes a short and feebly luminous flame, Fig. 190. 2. Every burner produces a maximum of light, when themost perfect combustion of the largest amount of gas it can con-sume…
