McVitie Weston valve collection, Osram valve, type NR31

Made:
1943
maker:
Osram

Osram valve, type NR31, marked Z.A.P. 7413, (RMW/Y448 - McVitie Weston number), by Osram, 1943.

Details

Category:
Electronic Components
Object Number:
1972-141/2027
type:
valve
credit:
STC plc