Heh, nice! You have so many nixies, you may consider adding option to sort them by manufacturer ;) Jakub
On Sunday, 20 January 2013 00:20:15 UTC+1, Jens Boos wrote: > > Hi Jakub > > thanks! But hey, I think I know this tube ;-) > > http://www.jb-electronics.de/html/elektronik/nixies/n_rd125.htm > > Jens > > Hello, > sorry for reviving this old topic, I found it by accident when looking > for informations about one nixie. > I think it might help you, in attachment is photo of lab sample nixie from > Ericsson. > Unfortunately, I don't have any more information about it, it is old photo > which i download from ebay... > Jakub > > On Tuesday, 11 September 2012 22:02:16 UTC+2, Jens Boos wrote: >> >> Hi folks, >> >> as some of you may know, besides Nixie tube collecting I am also >> interested in the history. I am writing an article, and every now and >> then I stumble upon something that makes me believe that I will most >> likely never finish it ;-) >> >> Here is the confirmed US Nixie tube history: National Union was the >> first to sell a readout tube product line (1954), although Northrop >> aircraft filed promising patents as early as Nov 1950; however, these >> tubes were never manufactured by Northrop (not a single one of these >> tubes has been found as of today). National Union was closely followed >> by Burroughs in 1955 who then offered their "Nixie" tube. But National >> Union beat Burroughs by the nose. >> >> Anyway, I was doing some casual research for patents filed by Ericsson, >> and found patent "GB739041", file is attached. The funny thing is, this >> baby was filed May 9, 1950, predating the first Northrop patent >> (US2618697) by more than half a year. The word "improvements" in the >> patent title suggests that this patent bases on other concepts already >> around at the time, but I cannot find out which patents it refers to. >> Any ideas? >> >> The most interesting thing is that Ericsson was probably the first >> company that commercialised the idea of a Nixie tube (and thus thought >> it worth to be patent-protected, that is the logic here). >> >> I feel that the European history of the Nixie tube needs further >> research. Has anyone been able to piece together the European side of >> the story? >> >> To be honest, I don't know if this patent is an entirely new discovery, >> but I could not find it on Randall's page: >> http://www.scientificsolutions.ca/patents.htm >> >> Jens >> > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To post to this group, send an email to [email protected]<javascript:> > . > To unsubscribe from this group, send email to > [email protected] <javascript:>. > To view this discussion on the web, visit > https://groups.google.com/d/msg/neonixie-l/-/uEimor0-pZQJ. > For more options, visit https://groups.google.com/groups/opt_out. > > > > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msg/neonixie-l/-/m81KUyFE7Z0J. For more options, visit https://groups.google.com/groups/opt_out.
