Wade Bequest collection of valves: experimental radio valve

SMG00237840

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SMG00237840
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: experimental radio valve. Tubular bulb with internal large grey anode and B5 base. With faded writing on bulb - one piece of text has A.M. [Air Ministry].

Details

Category:
Collection Unassigned
Object Number:
1972-343/268
credit:
Wade, J.C.F.