3 May
2011
3 May
'11
9:27 a.m.
On 3 May 2011 at 2:11, William Donzelli wrote:
I think nearly all failure modes can be repaired. When
these core
planes were being strung, either by women or machine, wire and core
breaks were quite common, and it was expected that nearly all core
stacks had to have at least some rework.
The main issue is that the knowledge to make these repairs is probably
fading away fast as the women are dying.
Weren't some core frames strung with additional lines in case of
failure? I definitely recall an IBM field engineer fishing around in
the oil of a 7090 with a magnet on the end of a broomstick to find
broken core pieces.
--Chuck