A manual of practical hygiene for students, physicians, and health officers . .sl;if«; wifli liol wafxr, holi<li(i<-Hwlieii i(, coriK-H in (•(.iibici wilii lliccold .snrlacr of lln ;;-pij)(: ;uj(ijullicrcs ili(!n!l.«) vvilli ^rc:i( Icn-acity. IIk! (Mtaiiiif,^ vvliidi ilforrriH IxKionics tJiifkci ;in< IliroiitAli suc<!cs,siv(; :i|)-pli(;:it,i<)ns, uiid cvcnliiiilly mayocclude the pipe; so conijjlclnlythat the troiihht iniisl. \ at-tacked fnim tile outside, tli(!remedy nuniirinfi:; soniclimesthe removal and iii(i<lcn(al <!(;-struction of an entin; hn^thof


A manual of practical hygiene for students, physicians, and health officers . .sl;if«; wifli liol wafxr, holi<li(i<-Hwlieii i(, coriK-H in (•(.iibici wilii lliccold .snrlacr of lln ;;-pij)(: ;uj(ijullicrcs ili(!n!l.«) vvilli ^rc:i( Icn-acity. IIk! (Mtaiiiif,^ vvliidi ilforrriH IxKionics tJiifkci ;in< IliroiitAli suc<!cs,siv(; :i|)-pli(;:it,i<)ns, uiid cvcnliiiilly mayocclude the pipe; so conijjlclnlythat the troiihht iniisl. \ at-tacked fnim tile outside, tli(!remedy nuniirinfi:; soniclimesthe removal and iii(i<lcn(al <!(;-struction of an entin; hn^thof j)ipe. (jrease traps may heh)eated heneath the sink or,preferably, in a plaee ])r()vi(ledtherefor outside the house. A common type of tliis de-vice is shown in Fig. 69. Thegreasy water runs into the res- Grease trap, ervoir through the inlet /, and the liquid grease, being lighter than the water, rises to the surface andforms a scum, which, when cold, solidifies into a cake. The outlet Oof the trap dips far beneath the surface, and so discharges none of the Fig.


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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjecthygiene