On 2026May 17,, at 12:33 AM, Doug Jackson via cctalk <[email protected]> wrote: > > WOW!!! > > Back pitch does not equal front pitch... Or is that a trick of the light... > > If so, it's wonderfully pleasing that we didn't end up down that path.
? Not sure what you’re referring to; if it’s the appearance of the two sense-array photos, it would seem to be more an optical issue of light vs dark. The size in pixels of a sense matrix is nearly identical between the two photos, though there was some necessary repositioning of the camera inbetween taking them. > Kindest regards, > > Doug Jackson > > em: [email protected] > ph: 0414 986878 > > > On Sun, 17 May 2026 at 03:55, Bill Degnan via cctalk <[email protected]> > wrote: > >> I have found that you can use the UNIVAC news for research, but it takes >> some time. They often had deployment / sales announcements that are useful >> to learn what was sold and when. If you know what company or industry the >> component you have came from, you might be able to find a sales >> announcement about it something similar. This might help you determine who >> typically bought what, and you might get a clue as to the origin of your >> component that way. >> >> You may have ruled other UNIVC systems sold in 1971, but are you sure what >> you have is not from a 9300 or 9400 system? >> Here is some info and a few pics of 1971 UNIVAC 9x00 cards. These were >> EBCDIC and compatible with IBM, you can count the bus pins of your >> component to verify its likely system. >> https://vintagecomputer.net/browse_thread.cfm?id=830 >> >> On Fri, May 15, 2026 at 5:16 PM Brent Hilpert via cctalk < >> [email protected]> wrote: >> >>> I was asked to examine a large core module, it has a UNIVAC label and >> part >>> no, manufactured in 1971 but probably a little older in design. No >>> providence known. >>> >>> I suspect it is from an 1108 or perhaps an 1106, based on the reasoning >>> presented in the web link below. I’m a little curious for a firmer >>> confirmation though. 1108/6 documentation on bitsavers has been very >>> useful, but what’s there doesn’t go deep enough into the hardware to >>> provide a hard confirmation. Is there even an 1108 or 6 still in >> existence? >>> >>> The module, and what I’ve figured out: >>> http://madrona.ca/e/coreUnivac/index.html < >>> http://madrona.ca/e/coreUnivac/index.html>
