Also, the comments about kodachrome were intriguing.
He asked me to somehow slip the info that he has perfected the method of developing kodachrome and he now has consistently perfect results - but that is for another thread if I manage to get him into here.

Also, he does not have a current supplier for the film base. The stuff he uses he has had in his cupboard for many many years, and he cannot get any more. That is the obvious reason the machine is set up for a 5" web.