[XCSSA] Relay info

[xcssa@xcssa.org]

Ok, this would have been cheaper/better to do when ATex had it's close out sale.
But, I suppose the parts can be found at the computer show.
Craig

Porter's Relay computer : http://web.cecs.pdx.edu/~harry/Relay/index.html
The Heath Robinson Rube Goldberg Computer, Part 1: Implementing a
computer using a mixture of technologies from relays to fluidic logic
:
 http://www-128.ibm.com/developerworks/power/library/pa-hrrg1/?ca=dgr-lnxw07HRRGPart1
Porter's Relay computer : http://web.cecs.pdx.edu/~harry/Relay/index.html