A manual of practical hygiene for students, physicians, and health officers . the water ceases to escape through the openings,and that in the flushing rim and passages leading thereto falls backinto the bowl and restores the normal level. Flushing Apparatus.—The objectof a flushing apparatus is the thoroughremoval of all adhering excreta fromthe sides of the fixture, and its propul-sion through and beyond the trap. Theflushing rim is connected with a supplypipe of about inches diameter,connected with the cistern. Throughthis pipe, the water is delivered wdth arush, and is spread out by th


A manual of practical hygiene for students, physicians, and health officers . the water ceases to escape through the openings,and that in the flushing rim and passages leading thereto falls backinto the bowl and restores the normal level. Flushing Apparatus.—The objectof a flushing apparatus is the thoroughremoval of all adhering excreta fromthe sides of the fixture, and its propul-sion through and beyond the trap. Theflushing rim is connected with a supplypipe of about inches diameter,connected with the cistern. Throughthis pipe, the water is delivered wdth arush, and is spread out by the flushingrim in small jets against the sides ofthe bowl. With some forms of flushingcisterns, the flush continues as long asthe lever which opens the valve is helddown or until the cistern is emptiedcompletely. Another form of flushing cisternis known as the siphon tank, thevalve of which is shown in Fig. consists of a double tube, Aand B, the inner tube A being thelonger, and the two tubes forming asiphon. The lower end of the long leg of the siphon A rests on. Valve of siphon tank. rijjMitiNd. r/2U a riiblxT riii^; ;ii ^jukI forms llic vmIvc. TIic hiplioii is j^larhd ino[)(T;ition hy liriiii<^ Uw v;il\c aiV lis scat by iricans (if a diaiii in^tfDiAl(» llic riiii; ill lli(c;i|) /J. TIhw ;it<r nislics dowiiwanl tliroiijrii (Ik; fliisli|)i|)(! /, Slicks I lie ;iir <iii( i»( ,1, .?ind (ills flic siplioii with wafer. Ilicvalv(^ is ilicii <lr()|i|(c(l l);ick, ;iiiil I lie (;ir,;[\\(\ dowiiwiird tlir(»ii<r|i J, as indicated liy tlie arrowH.^riu! (Iiscliai<i;e <onlinncs nntil tlu; level of liir- w;if,cr is Itroiijrlit downto tlic point. P, wlicn, ;ilr hcinj^ suclved in, the .-iplion i- hrokp. W itithis ap])aratiis, the ilnsh tank is emptied <\-ciy time tli<; fixture is ;l,and th(! valve needs to he o|)ciicd only ion^ enoiij^h try nUirt the niplionin motion, whi(Oi ohjcct. is iiecom|)iished in a few s(!eonds. Still another form o


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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjecthygiene