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2004-10-27 22:18 Pjacobi 276×296×8 (22908 bytes) PD by [[:en:User:EricBarbour]]
{{Information |Description=by de::en:User:EricBarbour Pair of different 6L6GC tubes - (l) General Electric version from 1960s (r) currently made version by Svetlana Electron Devices, Russia de:en:Image:6L6tubespair.jpg |Source=Originally from [