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 From:  Sam Ismail[SMTP:dastar@crl.com]
 Starting from the very back, that is either a Commodore 128, Amiga 500
 or
 some newer Atari.
  
Atari ST, you can tell by the monitor.  The Amiga 500 is in the box.
  The moving on to the far end of the table: Apple ][+
  
Or II
  Apple //e
  
Very probable given the monitor
  Commodore Pet
  
CBM 2001 specifically
  Commodore CBM Professional Business Computer
  
Either a CBM 2001 full size keyboard or a 4000 series.
  Commodore PET 2001
  
Probably an 8000 series
  Macintosh (128?  512?)
  
Impossible to tell the difference visually without looking at the back
Plus, the two TRS-80 model I's with expansion interfaces on top of the
first two PETs, and some kind of probable microprocessor trainer to the
left of the Altair.
Kai