Wade Bequest collection of valves: early triode radio valve

PART OF:
Wade Bequest collection of valves
SMG00237665

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SMG00237665
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: early directly-heated triode radio valve. Tubular bulb with B4-2 base and top seal. With paper label: W78.

Details

Category:
Electronic Components
Object Number:
1972-343/27
type:
valve
credit:
Wade, J.C.F.