l contents of the ‘house refuse the river into which the main sewer emptied will be seen in the vertical section, Fig. 4. house drains of cities and towns into the main itself. Within the chamber, A, A, is con- mains” discharging into it. It is provided This chamber is built up of cast or wrought… … say, every twenty-four hours, The solids hay- paper will have sufficient space for that pur- ing been lifted out as described, the pump, I, structed a filtering bed, B B, composed of peat pass up through the grating, C, and traverse pose. A lever handle is attached to the shaft, will speedily…
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