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 330
rrier tube a, and thepermanent light tube b, with some of, the attached burnersccc. The carrier burner having been kindled in the centre atone side (between the two arrows, Fig. 236, turned from eachother), the light flashed along the cornice till the two streamsmet on the opposite side ; and… … sequence, as the whole of the gas-apparatus, whether in use ornot, was continually subjected to the action of a ventilatingpower, which equally removed the products of combustion, andany portion of unconsumed gas, whether the apparatus was lightedor not. 686. Fig. 237 represents another variety of…