On Aug 23, 8:55?pm, "William Noble" wrote:

clearly false - here are examples:

...anything with tolerances in the millionth of an inch

I'm sure there are others, but the list above will do

Thank you, William. In the future, if I ever need to machine
something in my home shop to within one one-millionth of an inch, I
will remember that I will not be able to do the job by hand. Let's
see now, where did I put that manual boring bar! ;-)

Mike Mandaville
Austin, Texas