cclist at sydex.com
Fri Jun 16 22:44:24 CDT 2017
On 06/16/2017 07:09 PM, Jon Elson wrote:
> Oh, GE made NC controls (not CNC) all hardwired logic to decode
> G-code commands on paper tape and make a machine move. They had
> hundreds of boards, but I seem to recall single-sided yellow
> paper-phenolic boards. I also thought they used card-edge connectors,
> not Vari-Loc. I think they started making these in about 1965 or
> so. It has been a LONG time since I saw one of these.
I've also seen boards like this in some GTE telcom switching gear, but
black phenolic, but the same sort of edge connection.
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