Pleas ID this IBM system....

Jon Elson elson at
Tue May 21 19:32:53 CDT 2019

On 05/21/2019 04:33 PM, Chuck Guzis via cctalk wrote:
> How well sealed were the raised floors?
Not at all.  They were 2 foot squares sitting on adjustable 
pillars.  Each pillar supported 4 tiles where they all met 
at the corners.  You could easily slip a punch card (or 
credit card) between most of the tiles.  Anything poured on 
the floor would run down between the tiles.


More information about the cctalk mailing list