McVitie Weston valve collection
- Made:
- 1946
- maker:
- Telefunken
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LicenseTelefunken triode hexode frequency changer valve, type ECH11
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Telefunken triode hexode frequency changer valve, type ECH11, Y8A base, metal envelope detached, with valve holder, (RMW/Y189 - McVitie Weston number), made by Telefunken, 1946.
