Had a PM reply from Roger, copied below.
I've made contact with the outside world ! Thanks for your reply.
My current project is a horizontal mill type engine, 2" bore 2" stroke, entirely made from odd castings and bar stock ,cylinder covers are 80mm c i bar stock, crankshaft an unmachined casting of unknown origin, flywheel Stuart 5a, cylinder Stuart no 1, steam chest brass bar. Eccentric straps brass 3/8" plate. Bearing blocks steel bar. You can see pics on my album.
Above written by Roger Hills 1