> OK...sounds like time for another experiment: Swap with a non-contacted tube
> and see if the dot goes away in a few months
Or gently warm that part of the case (ideally with the clock off, but it's not
required) and see if the spot dissipates. Shouldn't take more than a couple of
hours.
OK...sounds like time for another experiment: Swap with a non-contacted
tube and see if the dot goes away in a few months
BTW, the inside of the case is warmer than room-temp so the point where the
tube contacts the glass cover will be cooler than the rest of the tube.
The clock draws 14 wat
Beat me to it. I have observed this affect on ZM1040 tubes.
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To post to thi
> I've noticed black residue collecting on the inside of at least one of my
> nixie tubes over the past 1-2 years. What's interesting is that it is
> collecting right where the glass of the tube is touching the glass cover of
> my case (yes, I goofed on the case; nothing should touch the tubes..
I've noticed black residue collecting on the inside of at least one of my
nixie tubes over the past 1-2 years. What's interesting is that it is
collecting right where the glass of the tube is touching the glass cover of
my case (yes, I goofed on the case; nothing should touch the tubes...).
It'
