McVitie Weston valve collection, Mullard valve, type D025
- maker:
- Mullard Limited
Mullard valve, type D025, pinch marked W810, (RMW/D69 - McVitie Weston number), by Mullard Limited.
Mullard valve, type D025, pinch marked W810, (RMW/D69 - McVitie Weston number), by Mullard Limited.