Thank you for clarification. I was using your website alot yesterday. It is alot of history to digest, but definitely worth reading, thanks for sharing your research. In a document I found on your website, "Prace Przemysłowego Instytutu Elektroniki" from 1963, I found alot of information about how LC1 was made. I found information about experimental, dome top version known from your website and from Jens collection, but there is also information about flat top, more durable version. Do you happen to know if it was actually LC-2? The document states that 400 of flat top nixies were produced, but doesn't mention any name change. Also, I'm really cursious about early Dolam production. As seen on the image shared by OTLamp showing interiors of V552 voltmeter, LC-2 was in serial production in Dolam factory. On the other hand, I think this is the only photo of a Dolam made LC-2 I could find. And lastly - datasheet of LC-531 states, that it could be produced with red filter (LC-531 F version). Did you see any red painted Polish nixie during your research?
W dniu wtorek, 18 lipca 2017 23:12:17 UTC+2 użytkownik Aleksander Zawada napisał: > > As a former employee of PIE I can explain that Dolam was experimental > plant of PIE from 1961 to 1965. I'm sure that new development of polish > nixie tubes (maybe not all) was done in PIE to 1970's. For example, I have > some negative masks for nixie digits from 1970's. > > W dniu 18.07.2017 o 22:10, Tomasz Kowalczyk pisze: > > I'd like to explain one thing: PIE invented LC-1 and LC-2 in 1963 (or >> 1964), and in 1965 PIE was renamed to Dolam. So it is basically the same >> company, if we can speak about something resembling a company under >> communist regime. >> > > I've mixed up some stuff. PIE didn't change into Dolam. Dolam was a part > of PIE and was started in 1961. > Dolam was probably assigned to extend work on nixie tubes after initial > success of PIE. > > > -- 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 post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/da5264b5-8800-493f-a6bf-2b74ebbc6aa3%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
