McVitie Weston valve collection, Mullard valve, type DFA8
- Mullard Limited
Mullard valve, type DFA8, pinch marked w 1399, glass envelop marked ONYX, loose, (RMW/D61 - McVitie Weston number), by Mullard Limited.
- Electronic Components
- Object Number:
- STC plc
- Permanent collection
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