5U4G NATIONAL UNION VT-244 JAN 5U4 5 RIB CHARCOAL ANODE
This beautiful Joint-Army-Navy ex military device is ex equipment but gives a full emission test on our AVO VCM163. It has the scarce 5 ridged charcoal anode electrode cage and is a very very nice valve indeed - scarcely offeredd, keenly sought, well, here's one on offer today!
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5U4G, PHILCO ,5 RIB ,CHARCOAL ANODE, 5P DATE CODE, M-R PRINT, 1955 PRODUCTION 5u4