McVitie Weston valve collection, Mullard valve, type 0.30B
- Mullard Limited
Mullard valve, type 0.30B, marked 81, pinch shaped to give 5 separate outlet tubes for electrode leads and supports, spherical bulb with top pin, (RMW/J26 - McVitie Weston number), by Mullard Limited.
- Electronic Components
- Object Number:
- STC plc
- Permanent collection
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