Just found my old files
It was done by a Paul Jones of Star Instruments back in mid 2006.
I cant find the post with the detailed optical bench piccies etc but did find this discussion on the original RCX which then became ACF
http://www.star-instruments.com/images/MeadeRCX.pdf
Andrew
Drat.
Ken beat me to it, but there is a folder out there on a website far away that had interferometry pics etc.