it. Acesspit is situated outside the wall to receive the soil,&c., and is emptied by the scavenger once a year. Thecontents of the cesspit are then treated for the utilisa-tion of the phosphates and ammonia, and the realisedcharcoal can be returned to the closet reservoir for re-use.Fig. 85… … distribute at each operation. I have here drawn aself-acting system, by which the earth is dischargedwhen the upward movement of the seat takes place onrising therefrom. In all cases where these closets areused by the household, an automatic delivery of theearth is indispensable; for, without it,…
