On 08/30/2015 05:16 PM, Tothwolf wrote:
According to IBM's paper, extra cores were threaded initially and used to replace any cores that tested bad during assembly. Any extras were crushed after assembly to remove them.
I suspect there were also extra rows after shipment as well. I seem to remember a magnet and a broomstick that got used to fish out remnants in the 7090 (oil bath) core units.
--Chuck