McVitie Weston valve collection, Osram valve, type S215

Made:
1929
maker:
Osram
Osram valve, type S215, labelled: Not gauze screen

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Osram valve, type S215, labelled: Not gauze screen
Science Museum Group
© The Board of Trustees of the Science Museum

Osram valve, type S215, labelled: Not gauze screen, (RMW/G54B - McVitie Weston number), by Osram, 1929.

Details

Category:
Electronic Components
Object Number:
1972-141/1063
type:
valve
credit:
STC plc