I have 100% information that this is an early type of paired two IN-15s. It was not mass-produced and did not go into series. Although this particular type of lamp was produced more than several hundred pieces. All the others that I described are test lamps. You can safely rely on this information.
вторник, 28 февраля 2023 г. в 11:44:54 UTC+2, Audrey: > 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 <exodus....@gmail.com> 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 <tntm...@gmail.com> 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 neonixie-l+...@googlegroups.com. >> > 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 neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/f9609a53-4695-4602-a7b8-03e66c5b1819n%40googlegroups.com.
