. A domestic cyclopædia of practical information ... able flow of water,it is best, where practicable, unless a flush tankis used at the kitchen inlet, to admit the kitchenoutlet, at a point between the outlet of the drainand its connection with the soil pipe, for the rea-son that the soil pipe is more often flushed, andcarries a larger proportion of pure water whichwill, by its cleansing action, have a tendencyto remove any deposit from the kitchen outflow. At the same time, whatever precaution istaken in the way of flushing the drain, it is al-ways wise to adopt some form of grease trap,that
. A domestic cyclopædia of practical information ... able flow of water,it is best, where practicable, unless a flush tankis used at the kitchen inlet, to admit the kitchenoutlet, at a point between the outlet of the drainand its connection with the soil pipe, for the rea-son that the soil pipe is more often flushed, andcarries a larger proportion of pure water whichwill, by its cleansing action, have a tendencyto remove any deposit from the kitchen outflow. At the same time, whatever precaution istaken in the way of flushing the drain, it is al-ways wise to adopt some form of grease trap,that is to say, to receive the kitchen outflow im-mediately on its delivery from the sink into avessel that has its outlet through a bent pipe,the mouth turning down below the surface ofits water. This trap need not be more thaneighteen inches in diameter, and a foot deep,and should be covered and have a ventilatingpipe, for its odors will not be pleasant. Thismass of water will be cold enough to congealthe grease at once, and this will float about the. Fig. A. level of the outlet, vifhich will deliver only waterfit to be admitted to the drain. In addition tothis grease trap, (or in lieu of it, where theproportion of fatty matters is small), it is acapital plan to use a modern invention knownas Fields flush-tank, shown in Fig. A, which issimply a vessel having its outlet by a siphon soarranged as to come into action whenever thetank is sufficiently filled, flowing copiously untilit is emptied, and then accumulating the drib-bling waters until it is filled again for anotherdischarge. This arrangement secures the drainagainst the slowly trickling stream that has sogreat a tendency to deposit silt in its course,and secures the important condition that whenany foul water is flowing through the drain itshall move forward in a rapid rush that willprevent the halting of solid matter by the final disposal of house drainage is inevery way a serious matter, and it practicallymakes l
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