McVitie Weston valve collection, Marconi/Genova valve, type 42B

Made:
circa 1931
maker:
Marconi Company Limited
Marconi/Genova valve, type 42B, marked 1062, glass loose

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Marconi/Genova valve, type 42B, marked 1062, glass loose
Science Museum Group
© The Board of Trustees of the Science Musuem

Marconi/Genova valve, type 42B, marked 1062, glass loose, (RMW/J138B - McVitie Weston number), by Marconi Company Limited, c. 1931.

Details

Category:
Electronic Components
Object Number:
1972-141/1347
type:
valve
credit:
STC plc