Beckman issued a proposal to GM some time after the above photo was taken for an automatic monitoring and control system for the Die Casting Department of the Guide Lamp Division at General Motors. The comptuer that the DEXTIR would feed its data was (I believe) a UNIVAC 1108 computer from the same era. Perhaps also an IBM 704, 709, 7090) Download it here
To my knowledge there is nothing published about this machine. For 1961 it looks pretty sophisticated. Until today I had never heard of the DEXTIR, I wonder what happened to it.
Input Capcity - 25 to 2500 analog channels in multiples of 25
Scanning Rate - 3000 channels per second
Output - papertape, punchcards, or magtape (IBM 704, 709, 7090 format)
Output Word Length - 1-16 characters
The woman in this photo is now approx 80 years old.