McVitie Weston valve collection, Mullard valve, type PM256
- maker:
- Mullard Limited
Mullard valve, type PM256, marked G108, (RMW/D42 - McVitie Weston number), by Mullard Limited.
Mullard valve, type PM256, marked G108, (RMW/D42 - McVitie Weston number), by Mullard Limited.