McVitie Weston valve collection
- maker:
- Mullard Limited
Mullard ac/dc rectifier valve, type UR1, dummy, with hemispherical top and Ct8+tt base (RMW/A107A - McVitie Weston number), by Mullard Limited.
Mullard ac/dc rectifier valve, type UR1, dummy, with hemispherical top and Ct8+tt base (RMW/A107A - McVitie Weston number), by Mullard Limited.