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LicenseRCA VM RF pentode, Radiotron type 34, USM4 base
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© The Board of Trustees of the Science Museum
RCA VM RF pentode, Radiotron type 34, USM4 base, pinch marked G*5, (RMW/Y27 - McVitie Weston number), made by RCA Corporation, sold under licence by E.T. Cunningham, Inc.
