Hivac valve, type B220, pinch marked B220, anodes embossed H, (RMW/Y117 - McVitie Weston number), made by Hivac Limited, aka the High Vacuum Valve Company, London, 1937.
Details
- Category:
- Electronic Components
- Object Number:
- 1972-141/1630
- type:
- radio valve
- credit:
- STC plc