Wade Bequest collection of valves: RCA type 923 radio valve

maker:
RCA Corporation
SMG00237805

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SMG00237805
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: RCA type 923 radio valve. Looks like a photoelectric device - possibly sensor device. With USS4 base. Tubular bulb.

Details

Category:
Collection Unassigned
Object Number:
1972-343/201
credit:
Wade, J.C.F.