McVitie Weston valve collection, Seddig triode valve

Made:
circa 1917
maker:
R J W Seddig
Seddig triode valve, marked 21431

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Seddig triode valve, marked 21431
Science Museum Group
© The Board of Trustees of the Science Museum

Seddig triode valve, marked 21431, (RMW/B164A - McVitie Weston number), by Seddig, R.J.W., c. 1917.

Details

Category:
Electronic Components
Object Number:
1972-141/418
type:
valve
credit:
STC plc