McVitie Weston valve collection, Experimental beam tube valve
Experimental beam tube valve, oval glass tube 3in diam by 7in long with 7in, evacuating tube (broken) at one end and a 10-connector stem at the other, (RMW/K4B - McVitie Weston number), by Unknown maker.
- Electronic Components
- Object Number:
- STC plc
- Permanent collection
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