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#11
06-21-2016, 11:03 AM
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Yes, missing picture. Its only somewhat better. I'll try
again tonight. I measured the iconoscope grid current. It is OK at turn on, then climbs to a couple of microamps when the picture fades, in tirection that gas makes. Thus, only a marginally good tube. Nevertheless, its a working demo. Ad placed for better 1846 iconoscope in the "usual suspect" classifieds. 
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