Wade Bequest collection of valves: large experimental radio valve

SMG00237846

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SMG00237846
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: large experimental radio valve. With ST bulb, slightly blackened - for heat distribution purposes. With B4m base and top cap.

Details

Category:
Collection Unassigned
Object Number:
1972-343/266
credit:
Wade, J.C.F.