McVitie Weston valve collection, Mullard valve, type PM24D
- Made:
- 1931
- maker:
- Mullard Limited
Mullard valve, type PM24D, marked PENTONE 08C, (RMW/Y251 - McVitie Weston number), by Mullard Limited, 1931.
Mullard valve, type PM24D, marked PENTONE 08C, (RMW/Y251 - McVitie Weston number), by Mullard Limited, 1931.