Wade Bequest collection of valves: experimental radio valve

SMG00237671

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SMG00237671
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: experimental radio valve with what appears to be two spherical concentric anodes. With B4-1 base and top seal.

Details

Category:
Electronic Components
Object Number:
1972-343/35
credit:
Wade, J.C.F.