On Mon, 9 Sep 2024, Bill Degnan wrote:
  IBM 1951-54 IIRC.  I have a few early punch and reader
docs.  They span
 from just after WWII and into the early 701, 704, 650 days 
Thanks
I got into unit record stuff in the mid to late 1960s.
But, my interests were a little esoteric, and I never really learned the
mainstream DP stuff.
--
Grumpy Ol' Fred                     cisin(a)xenosoft.com