guys: the kishsaver is not currently usable on a modern computer.
Of the BS keyboards I have, my preference would be a 104-key "space unsaver" model F with a replacement controller so I can actually use it. I have a quote on an APL version, but it's too much for me without a working controller.
Looking up model numbers, it looks like a capacitive BS tenkey existed at some point, but I haven't been able to find any pictures. All I have are out-of-date stock list on an old website and a brief mention in a PDF manual I found once. Still, I want it as a companion to the aforementioned unsaver.
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That aside, I'm still looking for a mat so I can make my 122 F-ANSI usable.