McVitie Weston valve collection, Mazda valve, type L21DD

Made:
c. 1935
maker:
British Thomson-Houston Company Limited

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Mazda valve, type L21DD, marked DUMMY, 5-pin base with one pin clipped, (RMW/Y229 - McVitie Weston number), by British Thomson-Houston Company Limited, c. 1935.

Details

Category:
Electronic Components
Object Number:
1972-141/1748
type:
valve
credit:
STC plc