McVitie Weston valve collection, BTH valve, type B.4

Made:
1923
maker:
British Thomson-Houston Company Limited
BTH valve, type B.4, marked B.4.1

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BTH valve, type B.4, marked B.4.1
Science Museum Group
© The Board of Trustees of the Science Museum

BTH valve, type B.4, marked B.4.1.6/5/24, (RMW/C69C - McVitie Weston number), by British Thomson-Houston Company Limited, 1923.

Details

Category:
Electronic Components
Object Number:
1972-141/493
type:
valve
credit:
STC plc