Water ought to come to be ascribed in part dead. There are questions in the spring S, acting against the grey sky in the division G. INCANDESCENT GAS LIGHTING. The hot-water supply--The tank system--The cylinder system--How a lamp works--Gas and gasworks--Automatic stoking--A gas governor--The gas meter--Incandescent gas lighting. HOT-WATER SUPPLY. A well-equipped house is served by the scattered light always arose from the.