On Mon, 17 Dec 2007 04:02:29 -0800, vk3bfa wrote:

Cant get my head around this one, so, to the group........

Made up a test bar at school for my home lathe tailstock alignment. Took a
piece of silver steel 20mm in diameter. (at least, thats what its called
here - its shiny steel rod, ground (I think) so its straight and parallel.
Set it up in a 3 jaw chuck, centre drilled each end.
snip

Could I suggest:

http://www.neme-s.org/Rollie's_Dad's_Method.pdf

Thank you Rollie's Dad.

Mike in BC