McVitie Weston valve collection, Osram Experimental valve, type E328
- maker:
- Osram
Osram Experimental valve, type E328, pinch marked E328 1, no base connector, (RMW/G8 - McVitie Weston number), by Osram.
Osram Experimental valve, type E328, pinch marked E328 1, no base connector, (RMW/G8 - McVitie Weston number), by Osram.