Ancient transistor ?computer board (Peter Van Peborgh)
paulkoning at comcast.net
Tue Jul 7 12:29:09 CDT 2020
> On Jun 18, 2020, at 4:14 PM, Peter Van Peborgh via cctalk <cctalk at classiccmp.org> wrote:
> OK, now here are some pics that should be available to everybody. I hope.
> Smells of (early) 1960s transistorized.
> No helpful marking apart from
> * "GATE JJ01" on SIDE A. (components).
> * "C NT OL DATA" on side B (solder traces).
> Big transistors are Motorola "180376008". Also, any ideas what the "246 636
> B" boxes are, they have four legs?
> A curse on TinyURL and praise to Camiel Vanderhoven.
Since CDC was mentioned I forwarded the question to a list of CDC people and CDC system hobbyists. Here's a reply that may be useful:
> On Jul 6, 2020, at 8:59 PM, Joe Cychosz <3ksnn64 at ecn.purdue.edu> wrote:
> Originally I said not CDC but I found this on ebay.
> I had seen boards like this earlier and have a few but they are LEC (lockhead electronics corporation). Interesting this one has lec on 1 side and cdc on the other side. I suspect CDC manufactured these for LEC. CDC could have been secondary contractor for Lockhead on a government project.
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