Frank Erskine wrote:
On Sun, 31 Jan 2010 16:50:38 +0000, Dave
wrote:


What you wrote prompted to get mine out, micrometer, that is :-)

It doesn't have two lock rings, just an adjuster to take out the
backlash in the screw thread and the ability to rotate the fixed barrel
that has the 1/10000 vernier scale on it.

I think you probably mean 1/1000...

:-)

No, it is capable of measuring down to one ten thousand of an inch.

Dave