. The sanitary news : healthy homes and healthy living : a weekly journal of sanitary science. Fig. a trap, or just below it, before sudden andeasy relief is had by the shorter route to the er, above the roof, and no trap at A. Throughthe air pipe as shown the air will be forciblydrawn into the soil-pipe at frequent intervals, 2l8 THE SANITARY NEWS. [Vol. VIII, No. 134 while the drain below to the sewer will be I dinary displacement of air within its own length,flushed in a way that will speedily disclose any \ when no unpleasant results will ensue. In House Fig. 4 is shown anadmirable sy
. The sanitary news : healthy homes and healthy living : a weekly journal of sanitary science. Fig. a trap, or just below it, before sudden andeasy relief is had by the shorter route to the er, above the roof, and no trap at A. Throughthe air pipe as shown the air will be forciblydrawn into the soil-pipe at frequent intervals, 2l8 THE SANITARY NEWS. [Vol. VIII, No. 134 while the drain below to the sewer will be I dinary displacement of air within its own length,flushed in a way that will speedily disclose any \ when no unpleasant results will ensue. In House Fig. 4 is shown anadmirable system of house drain-age, not perhaps generally appli-cable to buildings in the closely-built districts of the large cities,but which can be applied to manyhomes throughout their suburbs,and quite generally to houses inthe residence portions of cities,towns and villages, and in thecountry. As far as the ventilation of thesystem is concerned, it will beimproved by applying the prin-. each fi-cture without any more vent than shownin House Figure 6, where vents are used onlyon closets and bath waste traps, for which noform of ball valve to set closely below the fixtureis yet successfully provided. In House Figure5 is shown the use of a flushing trap at the footof the vertical soil pipe and connecting to thesewer with a cast or wrought iron pipe sup-ported on the wall above the floor, employingno fresh air vent and no running trap. It shouldbe as easy to secure perfectly air-tight joints ina pipe of this description as in a gas pipe. Asimmunity from danger through any defect in thelatter consists chiefly in the fact that attentionis at once drawn to such defects by the escapinggas, so in such a soil pipe under the frequent house fig. 4. imperfect joints. The inlet pipe and the trapwill be better protected and warmed, and snowwill not resist the suction of air into the air is true that in this plan no protection is af-forded basement fixtures beyond that of pr
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