McVitie Weston valve collection, Mullard valve, type D.F.A.8
- maker:
- Mullard Limited
Mullard valve, type D.F.A.8, pinch marked W23, glass envelope loose, (RMW/D62 - McVitie Weston number), by Mullard Limited.
Mullard valve, type D.F.A.8, pinch marked W23, glass envelope loose, (RMW/D62 - McVitie Weston number), by Mullard Limited.