On Saturday, 16 May 2020 10:45:15 UTC+1, Mattelec wrote: > > After a quick search of nixie tubes in eBay, found an add of a japanese > calculator which appear to use orange VFD tubes. > No colour film is over the tubes, so those are quite interesting, maybe > some type of filament tubes? Have you ever seen something similar? > > Might be some kind of nixie tubes > > > > <https://i.ebayimg.com/images/g/0voAAOSw4Yteurlv/s-l1600.jpg> > >
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