Wade Bequest collection of valves: experimental radio valve

SMG00237849

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SMG00237849
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: experimental radio valve. With B5 base. Tapered tubular bulb and mesh anode.

Details

Category:
Collection Unassigned
Object Number:
1972-343/274
credit:
Wade, J.C.F.