http://www.ubuweb.com/emr/index.html
There is almost too much goodness here.
The paper "Hardware Design of a Real-time Musical System" is interesting in the context of Numerology. Really makes me apreciate how far technology has advanced. It's funny analog is seen as inferior to digital from a sonic standpoint. (Not that I necessarily disagree.)
"The panel consists of an array of touch-sensitive switches with memory, and a corresponding array of light indicators to display the switch states. The array of touch-switches acts as a buffer memory to handle the digital information flowing between operator and instrument." I looked at pictures online and I see they are nothing alike, but as I was reading it I pictured Numerology and the launchpad.

Was the SalMar Construction an influence?