McVitie Weston valve collection, Osram valve, type GPO/VT DMY No. 3
- maker:
- Osram
Osram valve, type GPO/VT DMY No. 3, envelope marked G29/234, (RMW/E180 - McVitie Weston number), by Osram.
Osram valve, type GPO/VT DMY No. 3, envelope marked G29/234, (RMW/E180 - McVitie Weston number), by Osram.