The weird stuff I keep finding: 19 bit core memory?

Chris Zach cz at
Wed Oct 21 19:16:13 CDT 2020

> I'm pretty sure the H216 was too new to have been used in an MA10 or 
> MB10, but I don't know which core planes or other modules were used. 
> They might have still been using core modules made by external vendors 
> like Ferroxcube.

It's looking to be the same vintage as the 11/05 memory I have (the 
H214) so early 70's.

I'm uploading a picture of that and some 11/24 pictures to:

Should be there in an hour.


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