Putnam, J. Pickering (John Pickering), 1847-1917 · Boston, Ticknor and Co. · leaf 216
ue, it is necessary to heatthe ascending part in order to pro-duce an initial draught. Fig. 160represents the same device undera somewhat modified form. Thefresh air has free access to theinner chimney from below, andreturns after supporting the com-bustion through 4 branches unit-ing into one… … Fig. 154. Ventilating Gasoliers. ornament, is given in Fig. 162. This system has been appliedin France to the foot-lights of theatres. It has the advantage of lesseningthe chances of fire catching the dresses of the actors, as well as of main-taining the purity of the air of the stage, — a…
Fireplaces
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