Doing a little more research found merlin pete = peter grieve his web site is v good he even goes to museums to help them to get going a static merlin! what a guy.

Lots of pics and found some others last night also thanks to the guy who mentioned e bay some there too.

Ah yes saint Peter of the Merlin, he may be able to help you with manuals, but there aren’t too many torque settings, as they like to do things with a dial gauge, measuring the stretch of the bolt; and a useful section in one, on repairing your Merlin from bullet wounds!