Switch component Designer (Organisation) Ward and Goldstone Manufacturer Ward and Goldstone Date 1920 - 1960 (circa)
Sofono electric heater, cream Designer (Person) Ormiston, Ralph Manufacturer Sofono Electrical Division of Federated Foundries Date 1950 - 1959 (circa)
Sofono Spacemaster Designer (Person) Ormiston, Ralph Manufacturer Sofono Electrical Division of Federated Foundries Date 1950 - 1959 (circa)