McVitie Weston valve collection, GEC Osram valve, type R.4A

Made:
circa 1918
maker:
GEC (Osram)
GEC Osram valve, type R

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GEC Osram valve, type R
Science Museum Group
© The Board of Trustees of the Science Musuem

GEC Osram valve, type R.4A, (RMW/B40 - McVitie Weston number), by G.E.C. (Osram), c. 1918.

Details

Category:
Electronic Components
Object Number:
1972-141/282
type:
valve
credit:
STC plc