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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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