McVitie Weston valve collection, Mullard valve, type T.25.D
- maker:
- Mullard Limited
Mullard valve, type T.25.D, marked Dummy, glass loose from black moulded 4-pin base, (RMW/J29 - McVitie Weston number), by Mullard Limited.
Mullard valve, type T.25.D, marked Dummy, glass loose from black moulded 4-pin base, (RMW/J29 - McVitie Weston number), by Mullard Limited.