McVitie Weston valve collection, Mullard valve
- maker:
- Mullard Limited
Mullard valve, Mullard moulded on base, (RMW/Y153 - McVitie Weston number), by Mullard Limited.
Mullard valve, Mullard moulded on base, (RMW/Y153 - McVitie Weston number), by Mullard Limited.