McVitie Weston valve collection, GEC Osram valve, type R4

Made:
c. 1917
maker:
GEC (Osram)

Science Museum Group
© The Board of Trustees of the Science Musuem

GEC Osram valve, type R4, marked 11016, (RMW/B38 - McVitie Weston number), by G.E.C. (Osram), c. 1917.

Details

Category:
Electronic Components
Object Number:
1972-141/280
type:
valve
credit:
STC plc