McVitie Weston valve collection, Mullard valve, type D0 10
- maker:
- Mullard Limited
Mullard valve, type D0 10, pinch marked 3574T, glass envelope loose, (RMW/D67 - McVitie Weston number), by Mullard Limited.
Mullard valve, type D0 10, pinch marked 3574T, glass envelope loose, (RMW/D67 - McVitie Weston number), by Mullard Limited.