Wade Bequest collection of valves: radio valve of doorknob-type construction

SMG00237817

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SMG00237817
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: radio valve of doorknob-type construction. UHF double tetrode or double pentode transmitting valve. With 7 pin base (one with large diameter) and 2 top pins. Probably by RCA.

Details

Category:
Collection Unassigned
Object Number:
1972-343/213
credit:
Wade, J.C.F.