Manufacturer Details - GEC
This valve is signed by the English company, the General Electric Co. Ltd. (GEC). This company made valves at the Osram-Robertson Lamp Works in Hammersmith, west London. In 1919, it co-founded the Marconi-Osram Valve Co. Ltd., a joint Marconi-GEC valve-manufacturing company. Therefore, this valve can be dated prior to 1919.
- Inventory No. 70075, "Giant Radio Valve, by GEC, English, 1910s" [2004-9/466], General Electric Company Ltd.
- Inventory No. 95767, "GEC Bakelite Radio Receiver, by GEC, English, Mid 20th Century" [2004-9/84], General Electric Company Ltd.
- Inventory No. 97710, "All-Wave Super 6 Radiogram, by GEC, English, 1937" [2004-9/614], General Electric Company Ltd.