Those look like something someone made at home, or at least something that could be made at home with the right setup.
> On Feb 16, 2022, at 5:22 PM, Mac Doktor <[email protected]> wrote: > > > You beat me to it, Martin, but it's a good thing I was interrupted before > sending my reply. If nothing else these links saved me the trouble of taking > photos. 8D > > >>> On Feb 16, 2022, at 4:39 PM, Dekatron42 <[email protected]> wrote: >>> >>> This Russian website has a little information on them but even there they >>> are not sure of their manufacture and data - they are used in Christmas >>> lighting and also some photo lamps. >> >> >> Martin, thank you very much for finding that site!!! *_* >> >> I have two of those stars. One of my other hobbies is collecting old >> Christmas lights and I have a number of Soviet "New Year's" (most definitely >> not "Christmas") lighted decorations. I use a variac and a 1:2 transformer >> to get 220V RMS. >> >> >>> On Feb 16, 2022, at 2:09 PM, Andrea Zambon <[email protected]> >>> wrote: >>> >>> I just bought a few of these IN-3B lamps (not the regular IN-3, these are >>> much longer, see the pictures). >> >> I've seen them referred to as both IN-3V (ИН-3В) and IN-3B (ИН-3Б) on eBay >> but this Russian site is a gold mine of new info! 22kΩ it is. >> >> > >> The blue "haze" in the glass is a camera artifact. In person they have the >> regular neon orange color. > > > My first thought is that the fill gas contains some mercury because the blue > glow is coming from the glass itself. I have a mercury spectral lamp and when > I first powered it up the glass fluoresced much brighter (in the visible > spectrum) than the ionized mercury. Perhaps the power supply I had on hand > was supplying too much current. If so, I only used it for a brief time and > hopefully no harm was done. > > > Also, digital imagers are sensitive to UV and direct exposure to a UV source > can appear as a bright magenta, meaning that UV is either passing through the > red filters in the Bayer matrix or that the filter material itself is > fluorescing. > > I need to do some research on that as it spoils my Halloween videos. I have > camcorders with both CCD and CMOS imagers and even with the exposure greatly > reduced a 15W "black light" fluorescent tube is so bright that the blue and > red pixels are fully saturated at 255. > > > Terry Bowman, KA4HJH > "The Mac Doctor" > > "If only you could see what I've seen with your eyes."—Roy Batty, Blade Runner > > -- > 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/F9872A91-5A02-485C-8B8D-0720488D2AE4%40gmail.com. -- 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/7018FB57-3E0E-4FD1-A3FC-46F00685F6B6%40gmail.com.
