Wade Bequest collection of valves: early R-type triode radio valve

PART OF:
Wade Bequest collection of valves
maker:
Marconi Osram Valve Company Limited
and
Allgemeine Elektricitats-Gesellschaft
SMG00237662

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SMG00237662
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: early R-type triode radio valve. With B4-2 base. With paper label: W71.

Details

Category:
Electronic Components
Object Number:
1972-343/30
type:
valve
credit:
Wade, J.C.F.