McVitie Weston valve collection, Ediswan valve, type R4A

Made:
circa 1918
Ediswan valve, type R4A, letter F cast on pinch

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Ediswan valve, type R4A, letter F cast on pinch
Science Museum Group
© The Board of Trustees of the Science Musuem

Ediswan valve, type R4A, letter F cast on pinch, (RMW/B41 - McVitie Weston number), by Royal Ediswan, c. 1918.

Details

Category:
Electronic Components
Object Number:
1972-141/283
type:
valve
credit:
STC plc