McVitie Weston valve collection, Mullard valve, type S4VA
- maker:
- Mullard Limited
Mullard valve, type S4VA, marked dummy, top connector missing, (RMW/G88A - McVitie Weston number), by Mullard Limited.
Mullard valve, type S4VA, marked dummy, top connector missing, (RMW/G88A - McVitie Weston number), by Mullard Limited.