Ancient transistor ?computer board (Peter Van Peborgh)

[Nigel Johnson]

I just copied the email to a friend who was at CDC ad he says they were
from the CDC3100.

cheers,

Nigel


Nigel Johnson, MSc., MIEEE, VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
Skype:  TILBURY2591 nw.johnson at ieee.org



On 07/07/2020 13:29, Paul Koning via cctalk wrote:
>
>> 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.
>>
>> https://photos.app.goo.gl/h64tye8ecmPHQfJD7
>>
>> 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.
>>
>> peter
> 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.
>> https://www.ebay.com/itm/Vintage-CONTROL-DATA-Computer-Module-PCB-196Os/283900083657
>>
>> 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.
>>
>> Joe