Wade Bequest collection of valves: radio valve N359/PL81

SMG00237799

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SMG00237799
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: radio valve N359/PL81. With B9a base and top cap.

Details

Category:
Collection Unassigned
Object Number:
1972-343/190
credit:
Wade, J.C.F.