ID some core memory

[Adrian Stoness]

could be hp or phillips?


On Mon, Jan 1, 2018 at 6:03 PM, Steve Malikoff via cctalk <
cctalk at classiccmp.org> wrote:

> Bill said
> > Just curious...can anyone id the system that used these two types of core
> > memory?  I am thinking the first is a hand-made custom core, but the 2nd
> is
> > definitely from a commercial system.  Looks kind of IBM-ish but it's
> > nothing I can ID.  It's not an IBM 1401 I don't think.
> > http://vintagecomputer.net/core-memory/
> > Thanks
> > Bill
>
> It's not a 1401 core plane. Here are a couple of pictures of what (I am
> pretty sure) is a 1401 core plane that I have from my dad:
>     http://web.aanet.com.au/~malikoff/ibm/IBM_1401_core_memory_plane_1.jpg
> Close-up. Has a sharp molded corner and the grooves for the wires:
>     http://web.aanet.com.au/~malikoff/ibm/IBM_1401_core_memory_plane_2.jpg
>
> Refer to PDF page 12 of http://www.bitsavers.org/pdf/
> ibm/1401/A24-1403-5_1401_Reference_Apr62.pdf
> for another photo of this.
>
> Steve.
>
>