McVitie Weston valve collection, GEC/Osram valve, type GU50
- Made:
- circa 1940
- maker:
- Osram and General Electric Company Limited
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GEC/Osram valve, type GU50, marked VU72 A.M., glass loose, (RMW/Y345 - McVitie Weston number), by Osram; General Electric Company Limited, c. 1940.
