1. The Backus heater Author(s): Backus Mfg. Co., author. Publication: Philadelphia, Pa. : Backus Mfg. Co., [1895?] Subject(s): Heating
2. "Looking for Santa Claus": why don't they get a Richmond gas-fire? Publication: [Finchley, N.] : [North Middlesex Gas Company], [1912] Subject(s): NursesChild CareHeatingNatural GasEngland