Nope - it reduces the purple haze (!) around the cathodes due to the Hg doping, thus improving definition and legibility.
On Wednesday, 28 July 2021 at 00:49:12 UTC+1 gregebert wrote: > I wonder if red-coated nixies were an attempt to entice manufacturers from > switching to 7-segment LEDs, which were mostly red at that time. > > > > On Monday, July 26, 2021 at 4:28:16 PM UTC-7 Pramanicin wrote: > >> I did something similar with some B7971 tubes (and a lot of other smaller >> ones). I used Vitrail Glass Paint, diluted with some mineral spirits >> (Paint:Spirits 4:1) and dipped the tubes and dry inverted. Turned out very >> well. Private message me and I can give you more details.... >> >> [image: Screen Shot 2021-07-26 at 4.25.16 PM.png] >> >> On Mon, Jul 26, 2021 at 4:12 PM Audrey <[email protected]> wrote: >> >>> I saw kainkalabs suggest glass paint >>> >>> On Mon, Jul 26, 2021, 7:10 PM LB <[email protected]> wrote: >>> >>>> Hi all, >>>> >>>> I picked up a ZIN-70 tube from Millclock a few weeks ago, and after >>>> powering it up, I thought it would look nice with a red coating like that >>>> on the Z568M. I assume the coating is some kind of lacquer, but I'm not >>>> completely sure. Anyone know what it is and how it can be applied? >>>> >>>> Thanks >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "neonixie-l" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web, visit >>>> https://groups.google.com/d/msgid/neonixie-l/7d5aa84e-5870-4012-bd35-18f3b41d8525n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/neonixie-l/7d5aa84e-5870-4012-bd35-18f3b41d8525n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >> To view this discussion on the web, visit >>> https://groups.google.com/d/msgid/neonixie-l/CAPDJQ6Bkz7qCaxT17kSpsbvPXouNjHeokLhBiYK0jG_MGWPhng%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/neonixie-l/CAPDJQ6Bkz7qCaxT17kSpsbvPXouNjHeokLhBiYK0jG_MGWPhng%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/745f3557-9163-4268-833e-f017f59f8137n%40googlegroups.com.
