cclist at sydex.com
Thu Feb 1 11:17:58 CST 2007
On the subject of systems that are all pretty skin and no guts, does
anyone remember the direct-contact water-cooled Honeywell mainframe?
I got to see it in development at the old GE plant in Phoenix back in
Interesting operator's console with bar-graph Nixie displays. The
CPU itself was separate and was a hoot. The outer cabinet was pretty
much a walk-in "shed" that held the floor-standing racks containing
the PCBs with cooling interconnects made of what looked to be vinyl
tubing. I was told that the big problem of the day was algae in the
cooling lines and the engineers were checking out additives that
would inhibit algae growth but tnot corrode the copper contact
The old GE machines with the "Thousands of Operations Per Second"
analogue meters were kind of neat too.
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