Thanks guys, I will try the two file method of knurling and some loctite after I get back from teh dentist and come down from the painkillers...(It might be tomorrow before then, got mojor work being done.)
And yes, tailstock handwheel. I had thought the handle for it rotated, but It appears once more I missed the obvious, it does NOT. I also need to find it , last time it dropped out it went on a journey somewhere..