KT61 OSRAM BLACK BASE FROM NOV 1953
On offer today we have a beautiful Osram device. It tests as 100% emission as you can see from the attached test data label courtesy of our AVO VCM163. The envelope carries the etched ellipse cartouche and the black micanol base is tight to the envelope and shows clean uncorroded pins - a simply super device.
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Regular price £39.00 £39.00