Oh, probably not since I misread SP-252 as SP-352. Apologies !!
On Sat, Nov 4, 2023 at 7:04 AM Jon Jackson <[email protected]> wrote: > Don't know if this will help: > Sperry SP-352 and SP-332 Gas Discharge Clock Display pinouts from 1973 > catalog (attached). > > > On Sat, Nov 4, 2023 at 3:04 AM Richard Scales <[email protected]> > wrote: > >> Hello, there are indeed a few the line up - it's the ones that don't that >> worry me the most! >> - RIchard >> >> >> On Saturday, 4 November 2023 at 08:54:44 UTC Benoit Tourret wrote: >> >>> Hello Richard, >>> >>> have a look on the SP-351, >>> >>> https://www.tube-tester.com/sites/nixie/data/datasheets/SP-351_SP-352-drawing-01.jpg >>> [image: SP-351_SP-352-drawing-01.jpg] >>> not the same number of digit, but some of the pins should be identical... >>> On my SP-356, there is 0 aligned pins on a diagonal way. only in >>> horizontal. >>> >>> Le samedi 4 novembre 2023 à 07:31:29 UTC+1, Richard Scales a écrit : >>> >>>> I used to so that but it relies on all the pins being straight and for >>>> this particular display - there are 30+ pins in a very small space - the >>>> more accurate the better - especially when it finally comes to plugging the >>>> things in! >>>> [image: TTPicture.JPG][image: PPpicture.JPG] >>>> >>>> Perhaps the differences are so subtle it's not worth worrying about. >>>> It's like staring at constellations! This group on the left seems a little >>>> out of alignment when compared with the image from Sperry, it's counterpart >>>> in the image for the character on the right looks more like my chart - yet >>>> - from the data I have logged - the chart shows similar groupings for left >>>> and right - is their image wrong ? is their data wrong? >>>> >>>> [image: DDpicture.JPG] >>>> >>>> When daylight comes I'll get eyes on the physical display though I fear >>>> at my age - that may be the least helpful method! >>>> >>>> - Richard >>>> >>>> On Saturday, 4 November 2023 at 06:09:25 UTC Audrey wrote: >>>> >>>>> You could scan the bottom of one using a scanner and convert to >>>>> inches/mm using the DPI. >>>>> >>>>> On Sat, Nov 4, 2023, 2:04 AM Richard Scales <[email protected]> >>>>> wrote: >>>>> >>>>>> I'm looking for any details of the pinout of the Sperry / Beckman >>>>>> SP-252 Multi Segment display which are any better than the one that I >>>>>> found >>>>>> over at tube-tester.com: >>>>>> https://tube-tester.com/sites/nixie/data/SP-252/sp-252.htm >>>>>> >>>>>> I'm making a footprint and need to get the pin positions as accurate >>>>>> as possible. My usual process for this is to copy the pin positions into >>>>>> a >>>>>> spreadsheet and make a scattergram which should represent the pin >>>>>> positions. >>>>>> >>>>>> This allows me to spot any obvious blunders. It's just that the image >>>>>> I have is not that clear and there is some information missing (IMHO) so >>>>>> if >>>>>> anyone can point me to anything better I would be most grateful. >>>>>> >>>>>> I could not find it in the Sperry Information Systems catalogue for >>>>>> which I already have a PDF. >>>>>> - Richard >>>>>> >>>>>> -- >>>>>> 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/171bf56b-7195-454e-8ebb-2ef9aceb2e78n%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/neonixie-l/171bf56b-7195-454e-8ebb-2ef9aceb2e78n%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/041e7a12-cfa0-411d-8fe6-c3aa79020ccfn%40googlegroups.com >> <https://groups.google.com/d/msgid/neonixie-l/041e7a12-cfa0-411d-8fe6-c3aa79020ccfn%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/CAC%3DcyqcXFGXvLrzPPWs%2B%2B5GBh6DnU1dM1QcHHOL9EU9Kah7jCw%40mail.gmail.com.
