McVitie Weston valve collection, Osram valve, type MSP41
- Made:
- circa 1936
- maker:
- Osram
Osram valve, type MSP41, metallizing beginning to break up, (RMW/Y80 - McVitie Weston number), by Osram, c. 1936.
Osram valve, type MSP41, metallizing beginning to break up, (RMW/Y80 - McVitie Weston number), by Osram, c. 1936.