McVitie Weston valve collection, Mullard valve, type UR1
- maker:
- Mullard Limited
Mullard valve, type UR1, domed top, (RMW/A107B - McVitie Weston number), by Mullard Limited.
Mullard valve, type UR1, domed top, (RMW/A107B - McVitie Weston number), by Mullard Limited.