McVitie Weston valve collection, Royal Ediswan valve, type R. 4C (Admiralty)

Made:
c. 1919

Science Museum Group
© The Board of Trustees of the Science Musuem

Royal Ediswan valve, type R. 4C (Admiralty), marked 2477, (RMW/B43 - McVitie Weston number), by Royal Ediswan, c. 1919.

Details

Category:
Electronic Components
Object Number:
1972-141/285
type:
valve
credit:
STC plc