Antique “The Humphrey” Radiant Fire No. 31 was made by the General Gas Light Co. in Kalamazoo, Michigan, USA.  This heater could be attached to gas and used as a heater either in a fireplace or not. The heater is about 23 inches long, 22 inches tall and 9 inches deep. Weight just over 32 pounds. Has enameled top and brass in front of the heated tiles. Good antique condition.