I am undertaking to build as complete a catalog as possible of all the cards for the Mullard High-Speed Valve Tester. I am doing this after developing a really fast way to process the cards to obtain the map of their holes. But I don't have anything like all the cards and although I have tracked down quite a few from other people there are still many to go.
So if you have any cards for this tester and would like to help then go to this link for details...
http://home.btconnect.com/gmb/mullard.htm