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allowed aperture ball valve basement basin Bostel bricks carbonic acid carried ceiling cesspools cistern cloth compartment connected containing contrivance course covered cowl cylinder D-trap discharge disconnected drains draught drinking water dust edition Engineer escape especially exit shaft filtering material fixed floor flue foul air foul water frequently galvanized iron ground hard waters holes hopper closet house sewer Illustrated impervious impure inches inside instances iron grating joints kind louvres lower sash main sewer means ments Messrs metal milk of lime necessary NOSTRAND'S PUBLICATIONS nuisance organic matter outer air overflow pipe pass pervious placed plate purposes quantity of water rain-water receptacles refuse matters sanitary side sinks siphon trap soft water soil pipe sometimes stoneware stoves stratum supply of water surface tank thrown tion Treatise tube typhoid fever valve box valve closet ventilating pipe vertical wall warm waste pipes water closets water pipes water-waste preventer window
Seite 79 - It ought to be an absolute condition for a public water supply that it should be uncontaminated by drainage.