McVitie Weston valve collection, Siemens-Halske triode valve
- c. 1917
Siemens-Halske triode valve, (RMW/B159B - McVitie Weston number), by Siemens & Halske Norsk, c. 1917.
- Electronic Components
- Object Number:
- STC plc
- Permanent collection
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