McVitie Weston valve collection, Royal Ediswan valve, type D

Made:
1919

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

Royal Ediswan valve, type D, etched 256, (RMW/B24 - McVitie Weston number), by Royal Ediswan, 1919.

Details

Category:
Electronic Components
Object Number:
1972-141/268
type:
valve
credit:
STC plc