Despite it's "ugliness", the 7971 does support alphanumeric characters whereas the 568m does not. That, along with their massive size, is why I made a clock out of them a few years ago, thankfully when those tubes were cheaper.
As far as beauty is concerned though, the 568m tubes are stellar. The other thing I found out is that despite being only 10mm taller than a much-cheaper IN-18, the 568m tubes appear much larger as well because the numerals are wider than the IN-18. I hope to have my 6-tube R|Z568m clock finished in a few months; the handmade wooden case is a lot of work, and I'm killing myself with all of the nostalgic junkbox parts I'm stuffing into it, such as illuminated pushbuttons from a vacuum-column tape drive and a 13-character/9-segment display. On Tuesday, January 26, 2021 at 1:55:49 AM UTC-8 [email protected] wrote: > If I had to spend $150 on a single tube I'd choose the R|Z568M from > Dalibor. > Way more aesthetically pleasing than these B7971 tubes in my opinion. > On Monday, January 25, 2021 at 6:10:49 PM UTC+1 Paul Andrews wrote: > >> That is a very nice clock. If only I had that kind of disposable income. >> I probably would have if I didn't fritter it away on smaller things. >> >> On Sunday, April 5, 2020 at 1:37:20 PM UTC-4 Pramanicin wrote: >> >>> >>> >>> Antenna MOD....:) >>> >>> Sent from my iPhone >>> >>> On Apr 5, 2020, at 10:16, Michail Wilson <[email protected]> wrote: >>> >>> >>> >>> The first link shows a little poisoning on the underscore. >>> >>> >>> >>> The second link is mine. They went for $220 a tube. >>> >>> I only posted for those people that really really really need one. (Did >>> expect a purchase of more than 1 at a time.) >>> >>> >>> >>> I will post more, but again, only meant for people that don’t want to >>> wait for a good/fair price. In fact, I recommend people NOT buy from me >>> and should wait as better deals always show up, but they have to fear the >>> ‘untested’ ‘asis’ auctions. >>> >>> >>> >>> Another note is that I provide a video of each tube working in a clock >>> and do a segment test to prove each are perfectly working. And, I write on >>> the tube in video and seal each box with my version of a seal so they know >>> what they see is what they get. Example… >>> >>> “The following two videos are of your tubes..... >>> First video shows testing of all six tubes and markings... >>> https://youtu.be/outZRHTZBao >>> >>> Second video shows packaging of the six tubes and my form of seal.... >>> https://youtu.be/kL83gfLtJro” >>> >>> >>> >>> >>> >>> Yes, I have a couple of clocks with the antenna tubes. >>> >>> >>> >>> Michail Wilson >>> >>> 206-920-6312 <(206)%20920-6312> >>> >>> >>> >>> *From:* [email protected] [mailto:[email protected]] *On >>> Behalf Of *fax_awd >>> *Sent:* Sunday, April 5, 2020 8:57 AM >>> *To:* neonixie-l >>> *Subject:* [neonixie-l] Re: B7971's on the bay.... >>> >>> >>> >>> another b7971 on ebay today....first day already over 180USD per tube... >>> >>> >>> https://www.ebay.com/itm/Two-Giant-15-segment-Burroughs-B-7971-Nixie-Tubes-with-sockets/303531498958?hash=item46abe31dce:g:n~0AAOSw7MNeh~rG >>> >>> >>> https://www.ebay.com/itm/Burroughs-B7971-B-7971-15-Segment-Alphanumeric-Nixie-Tube-TESTED-USA-Stock/123727599571?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 >>> >>> someone bought six recently too..i believe the price should be over >>> USD200 per tube... >>> >>> >>> >>> people gone crazy... >>> >>> >>> Pramanicin於 2019年11月22日星期五 UTC+8上午7時04分16秒寫道： >>> >>> For those still in the *hunt*... >>> >>> >>> >>> >>> https://www.ebay.com/itm/Pair-Burroughs-B-7971-Nixie-Alphanumeric-15-segment-Display-Tubes-3-/352860696487?&_trksid=p2056016.l4276 >>> >>> >>> https://www.ebay.com/itm/2-Burroughs-Ultronic-Systems-B-7971-Nixie-Alphanumeric-15-segment-Display-Tubes/174101582334?hash=item28894351fe:g:Q9UAAOSwzwBd1Oxw >>> >>> >>> https://www.ebay.com/itm/Pair-Burroughs-B-7971-Nixie-Alphanumeric-15-segment-Display-Tubes-3/352860696487?hash=item522822efa7:g:m3YAAOSwBi5d1PAw >>> >>> >>> >>> As usual, not my listing etc..... >>> >>> >>> >>> Cheers, >>> >>> >>> >>> Nick >>> >>> -- >>> 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/e3fd55f9-85f8-4811-9541-767f01238581%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/neonixie-l/e3fd55f9-85f8-4811-9541-767f01238581%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/DM6PR01MB43488048C4ED3C6ABB2F08CA82C50%40DM6PR01MB4348.prod.exchangelabs.com >>> >>> <https://groups.google.com/d/msgid/neonixie-l/DM6PR01MB43488048C4ED3C6ABB2F08CA82C50%40DM6PR01MB4348.prod.exchangelabs.com?utm_medium=email&utm_source=footer> >>> . >>> >>> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. 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