(under subclass 260) Apparatus in which the supply means comprises a closed container elevated with respect to the cells and adapted to be placed in continuous communication therewith, whereby, upon lowering of the liquid level in the cell, liquid is supplied thereto.
SEE OR SEARCH THIS CLASS, SUBCLASS:
453+, for tank level responsive or maintaining systems of the barometric type wherein the tank is other than a battery or an electrolytic cell, and see the search notes to subclass 453.
