. A treatise on hygiene and public health . Pig. 51.—Simple ventilating trap. Fig. 52.—Deodorizing trap. devices are in use for accomplishing this purpose. The accompanying-diagram, Fig. 52, copied from Eassie,^ illustrates a very simple device fordeodorizing the unpleasant smells by providing a charcoal tray fitted inthe ventilating-shaft above the surfacs of the ground. The effluvia fromthe drain, D, are intercepted at the mouth of the upright pipe, placedover the syphon trap. A, and are compelled to pass through the charcoalin the tray under the earthenware cap at B, before escaping into th
. A treatise on hygiene and public health . Pig. 51.—Simple ventilating trap. Fig. 52.—Deodorizing trap. devices are in use for accomplishing this purpose. The accompanying-diagram, Fig. 52, copied from Eassie,^ illustrates a very simple device fordeodorizing the unpleasant smells by providing a charcoal tray fitted inthe ventilating-shaft above the surfacs of the ground. The effluvia fromthe drain, D, are intercepted at the mouth of the upright pipe, placedover the syphon trap. A, and are compelled to pass through the charcoalin the tray under the earthenware cap at B, before escaping into the(juter air, and are thereby robbed of their offensiveness. Two other plansfor ventilating drain-pipes are shown at Figs. 53 and 54. Charcoal is thedeodorizing material used in both these contrivances. In the Brooksventilator the charcoal is deposited in mass in the tray, T, placed uponthe top of the ventilating-pipe. Any foul gas entering the upright- shaftmust pass through the porous charcoal before escaping into the open tra
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Keywords: ., bookcentury1800, bookdecade1870, booksubjecthygiene, bookyear1879
