Straight 8 up on Ebay just now - test-drb@ccmp.vtda.org

19 Jul 2016

On Jul 18, 2016 2:30 PM, "Ian S. King" <isking at uw.edu> wrote:
...

 Absent physical trauma, core seems pretty durable.  The electronics around
 it may fail but the core planes themselves seem robust.  At least that's
 been my experience.  -- Ian 
There are known cases of IBM System/3 core that had failed beyond practical
repair due to products of decayed air-sealing foam contacting and
dissolving core plane wires.

Mike