Wade Bequest collection of valves: type W729 radio valve

SMG00237875

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SMG00237875
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: type W729 radio valve. With B9a base. Made by GEC or Marconi Osram in England.

Details

Category:
Electronic Components
Object Number:
1972-343/237
type:
valve
credit:
Wade, J.C.F.