McVitie Weston valve collection, Mullard valve, type VP4F
- maker:
- Mullard Limited
Mullard valve, type VP4F, marked SAMPLE, (RMW/Y203 - McVitie Weston number), by Mullard Limited.
Mullard valve, type VP4F, marked SAMPLE, (RMW/Y203 - McVitie Weston number), by Mullard Limited.