Wade Bequest collection of valves: Ediswan radio valve type A.D.1

SMG00237762

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SMG00237762
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: Ediswan radio valve type A.D.1. With B4 base.

Details

Category:
Collection Unassigned
Object Number:
1972-343/158
credit:
Wade, J.C.F.