McVitie Weston valve collection, Mullard valve, type RA
- maker:
- Mullard Limited
Mullard valve, type RA, etched 0.5, D244, (RMW/B121 - McVitie Weston number), by Mullard Limited.
Mullard valve, type RA, etched 0.5, D244, (RMW/B121 - McVitie Weston number), by Mullard Limited.