McVitie Weston valve collection, BTH valve, type B22

Made:
1927
maker:
British Thomson-Houston Company Limited

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BTH valve, type B22, marked O.H.3, (RMW/C78 - McVitie Weston number), by British Thomson-Houston Company Limited, 1927.

Details

Category:
Electronic Components
Object Number:
1972-141/503
type:
valve
credit:
STC plc