McVitie Weston valve collection, Mullard valve, type R
- maker:
- Mullard Limited
Mullard valve, type R, cylincrical bulb with unused top connector cap, (RMW/B120 - McVitie Weston number), by Mullard Limited.
Mullard valve, type R, cylincrical bulb with unused top connector cap, (RMW/B120 - McVitie Weston number), by Mullard Limited.