Jon, That's nice to see. I always wondered what was in that thing.
Our high school had one of these in the seventies, and the poor computer students had to use it, pretending it was a computer. It had an optical card reader that would read hand-punched cards for programming rudimentary things.
Later we got a PDP-11. I blame that for my fall from grace. (OK, it was really the university's decSystem10 that caused my downfall.)
On 1/23/15 10:31 AM, Jon D. wrote:
I stumbled onto this link for a teardown of a 1969 Monroe/Compucorp Nixie Calculator in my email from EDN. Apparently, Monroe predates Compucorp; one of the boards in this Monroe-labeled calculator has a Compucorp label. http://www.edn.com/design/integrated-circuit-design/4438124/1969-Compucorp-calculator-teardown
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