Paul, would you mind sharing the basis for your comment about the post-1957 Mullard/ETL connection? I've done a lot of work on ETL history (visited what's left of their archives, talked to employees etc) and this is news to me.
Thanks, Jon. On Tuesday, May 30, 2023 at 8:21:34 PM UTC+1 Paul Andrews wrote: > After 1957 ETL was owned by Mullard. The date codes for Mullard (Philips) > tubes are described here <http://www.audiotubes.com/mullcode.htm>. It > looks most likely that the first digit is the year number, the second > letter is the month. The one I have is labelled 0B, which I would read as > February 1960. Its a bit of a mess though. > > On Tuesday, May 30, 2023 at 1:15:02 PM UTC-4 gregebert wrote: > >> > but there is a set of 6 matched GR114/CD47s (will sell only as a set) >> > loads of NIMOs >> >> Well, that's going to be the auction of the century. >> >> On Tuesday, May 30, 2023 at 10:06:59 AM UTC-7 Nick wrote: >> >>> Thanks for asking, but I really don't know yet. There's a HUGE number of >>> tubes to go through (many 1000s). A few of the exotica have been sold to >>> other collectors, but there is a set of 6 matched GR114/CD47s (will sell >>> only as a set) amongst the stuff in the store, plus many other rare tubes. >>> >>> I'll start doing auctions in a few months and will provide early warning >>> here. Some of the stuff is extremely rare, including F9020, NEO-5000M, >>> NEO-8000, loads of NIMOs, Pandicons, Pixies, Panaplex, Alphanumeric tubes >>> etc. >>> >>> On Tuesday, 30 May 2023 at 17:55:20 UTC+1 Robert wrote: >>> >>>> Hi >>>> >>>> What would the cost be per tube, used or NIB? >>>> >>>> Thanks >>>> Rob >>>> >>>> On 30 May 2023, at 17:40, 'Nick' via neonixie-l < >>>> neoni...@googlegroups.com> wrote: >>>> >>>> So here's the thing: I'm rationalising my rather large nixie >>>> collection over the next few months.... I don't need lots of every nixie. >>>> >>>> >>>> I'm starting with a stash of ETL GR10Gs in varying condition - one has >>>> a broken 7 internally, 3 others are "dark" to the point of ... just >>>> useable... another 10 are in "used but good to OK condition" and the rest >>>> are NIB. >>>> >>>> They're a strange, early, tube, needing a Va of 250VDC and an Ra of >>>> only 10K for most digits, but 18K2 for the "1" and 14K7 for the "7", i.e. >>>> the 1 & 7 also have cathode resistors... They have no Hg doping, so the >>>> life of the tube under controlled circumstances is only 5,000 hours... >>>> Early stuff. >>>> >>>> But they are a BEAUTIFUL tube... I mean, REALLY BEAUTIFUL (IMHO)... >>>> >>>> The date codes on them are just two characters, e.g. "OJ" or "RC" etc. >>>> Range of ETL logos too... >>>> >>>> Anyone have a decode table for these? >>>> >>>> Thanks >>>> >>>> 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 neonixie-l+...@googlegroups.com. >>>> To view this discussion on the web, visit >>>> https://groups.google.com/d/msgid/neonixie-l/39c22549-5fab-417d-8518-7888e39cb62en%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/neonixie-l/39c22549-5fab-417d-8518-7888e39cb62en%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 neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/60c5137c-9c6b-4106-99d0-a38cc4dee833n%40googlegroups.com.
