McVitie Weston valve collection, Mullard valve, type PM12
- maker:
- Mullard Limited
Mullard valve, type PM12, glass envelope broken, top connector nut missing, (RMW/G83 - McVitie Weston number), by Mullard Limited.
Mullard valve, type PM12, glass envelope broken, top connector nut missing, (RMW/G83 - McVitie Weston number), by Mullard Limited.