Indicator tubes for transistor logic machines.
shoppa_classiccmp at trailing-edge.com
Tue Oct 30 05:51:25 CDT 2007
"William Donzelli" <wdonzelli at gmail.com> wrote:
> > Any idea what these things may be?
> The modules are just generic logic modules, as you probably guessed.
> RCS has a rack of these that sound very similar. Are some of your
> modules color coded? We never figured out who was the maker, although
> admittedly we did not try very hard.
> These generic logic modules were a minor success in the factory
> automation market, selling to the guys that could look beyond the
General Automation had such a line, even after they went into minicomputers.
And how they were selling generic logic modules to a rather captive
market after, for example, DEC had stopped years before.
It was odd how some of their form factors were exactly the same as Q-bus and
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