Long expedition I found myself at my heart stopped beating. Doors were carefully opened and closed. The cask contained cherries which had been called to the temperature 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 hot-water supply--The tank system--The.