A bit of Google-fu suggests that this is part(!) of an
installation that includes
a Siemens 7890
An IBM 3090E (those crosses right of centre)
A Cray X/MP (don't think it is in photo)
A substantial VAXcluster (part of which is just visible at the back on the right)
I do not think this is right. The cross shaped machines are not IBM.
They look like later model Cyber 170s or very early Cyber 180s.
The IBM 3081 is way in the back, behind the tape drives. It looks like
a small installation.
--
Will