McVitie Weston valve collection, RCA valve, type 12A6
- Made:
- 1940
- maker:
- RCA Corporation
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Science Museum Group
© The Board of Trustees of the Science Museum
RCA valve, type 12A6, all metal
Science Museum Group
© The Board of Trustees of the Science Museum
RCA valve, type 12A6, all metal, (RMW/Y525 - McVitie Weston number), by RCA Corporation.-1940
