Wade Bequest collection of valves: early triode radio valve by Marconi-Osram

SMG00237650

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SMG00237650
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: early directly-heated triode valve by Marconi-Osram with phosphorous getter. With B4-3 base and pip top. With paper label: W64.

Details

Category:
Electronic Components
Object Number:
1972-343/15
type:
valve
credit:
Wade, J.C.F.