Oh, IN17 is my favorite kind of tubes. Please show photos of your prototypes, I'm really interested to see them. In the design of the IN17 I have, I did not notice any differences, but I saw a lot of different seals on them, which probably related to high-quality selection for the military, precision instrumentation, and the civilian market.
воскресенье, 20 февраля 2022 г. в 22:22:04 UTC+2, [email protected]: > I think it is normal for any markings to have rubbed off, but I have some > prototype IN-17s with some markings, mostly rubbed off. > > On Sunday, February 20, 2022 at 11:49:47 AM UTC-5 [email protected] > wrote: > >> There is no stamp or printed code. But I think this is normal for a >> prototype. >> >> воскресенье, 20 февраля 2022 г. в 18:27:23 UTC+2, Jon: >> >>> Alexander - really interesting, thank you for sharing the photos. Does >>> the prototype tube have a date code on it? >>> >>> Jon. >>> >>> On Sunday, February 20, 2022 at 12:47:48 PM UTC [email protected] >>> wrote: >>> >>>> [image: 123.jpg] >>>> >>>> -- 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/51eaebfc-d2a3-4098-9813-3d3070a6b504n%40googlegroups.com.
