E.S.75 wireless valve, 1883-1930

Made:
1883-1930 in Ponders End

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

Type E.S.75 wireless valve, Edison output triode, made by the Edison & Swan United Electric Light Company, Ponders End, London, England, 1883-1930

Details

Category:
Electronic Components
Object Number:
1930-696
Materials:
glass, metal (unknown) and plastic (unidentified)
type:
thermionic valve
taxonomy:
  • component - object
credit:
Donated by the Edison and Swan Electric Light Company Limited