Wade Bequest: DER triode radio valve

maker:
Marconi Osram Valve Company Limited
SMG00237710

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SMG00237710
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: DER triode radio valve, by Marconi-Osram. Early dull emitter triode valve. With BBC stamp and serial number 11499. With B4-3 base and top seal. Paper label: W17.

Details

Category:
Collection Unassigned
Object Number:
1972-343/104
type:
triode valve
taxonomy:
  • object genre
  • component parts
  • electrical component
credit:
Wade, J.C.F.