McVitie Weston valve collection, BTH valve, type R7

maker:
British Thomson-Houston Company Limited
BTH valve, type R7, etched 5252B

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BTH valve, type R7, etched 5252B
Science Museum Group
© The Board of Trustees of the Science Museum

BTH valve, type R7, etched 5252B, (RMW/B75B - McVitie Weston number), by British Thomson-Houston Company Limited.

Details

Category:
Electronic Components
Object Number:
1972-141/320
type:
valve
credit:
STC plc