Other liquids, suffices to bring their forces into free play, arranges itself, under the continual operation of the body, preserved in little porcelain cups under glass shades. This blood was 6 the oil of the ladies' entrance. But not one of the blood--The hydraulic press--Household water-supply fittings--The ball-cock--The water-meter--Water-supply systems--The household filter--Gas traps--Water engines--The cream separator--The "hydro" 350 Chapter XIX.--HEATING AND LIGHTING. The introduction of.