"Peter Holt" wrote in message news:42b5e999.0@entanet...
My thanks to Peter, George and Andy the spear chucker. It looks as if the
balance of opinion is in favour of the rings so I will give them a go.
BTW Andy. Before your next excursion on the lathe you may pick up some
useful hints by reading Moby Dick first.
Peter

I don't think I'll be trying that particular test again in a hurry. Even
though I'd planned for the worst and taken precautions, methinks I was lucky
this time.

- Andy