I appreciate the advice, are you 100% sure that the dual-column tubes are early versions of IN-15 and not just a separate tube that never entered production? By the way I would not be surprised if this tube exceeded 100pcs production quantity, including this listing I've seen about 8-10pcs crop up online.
On Tue, Feb 28, 2023, 4:29 AM LP Richardson <[email protected]> wrote: > Hello everybody. > There are three types of lamps in the photo. > 1. Prototype of two types of IN-15. > 2. Very early type IN-7 with a fine mesh, year of production 68-71. > 3. Prototype IN-7 that did not receive mass production. > Release, quantity is unknown. As a rule, 10-100 pieces were a trial > release of such lamps. > These lamps are not Russian or Chinese, they were made in Ukraine at the > Gazotron plant, Rivne. > The information is completely reliable. > Best regards. > > четверг, 16 февраля 2023 г. в 22:35:09 UTC+2, Mac Doktor: > >> On Feb 16, 2023, at 2:55 PM, Audrey <[email protected]> wrote: >> >> the other one I've not seen before, - + × >> >> >> Probably Chinese QS53. >> >> >> Terry Bowman, KA4HJH >> "The Mac Doctor" >> >> https://www.astarcloseup.com >> >> “...the book said something astonishing, a very big thought. The stars, >> it said, were suns but very far away. The Sun was a star but close >> up.”—Carl Sagan, "The Backbone Of Night", *Cosmos*, 1980 >> >> >> -- > 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/f3d5a2a3-9789-4d81-a026-b2b52d5bab19n%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/f3d5a2a3-9789-4d81-a026-b2b52d5bab19n%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/CAPDJQ6DXmuWBZNWkCoiM3Ug9srFMk-M8XPbzHqXFa4wBMdSQfQ%40mail.gmail.com.
