on Ellison wrote:

>Can't find one but I think I have demonstrated the principle
>well enough.

So it has not been demonstrated to work on a mirror-like polished surface as previously described.......

>You seem to be suggesting that this method used on a
>transparent/translucent surface

You forgot to mention it's a mirror-like polished surface again...............

Just how large of an area was being testing anyway?

>Anyway Dunn also used the feeler gauge method which has nothing
>to do with light, because he had a set of five dollar "feelers"
>in his pocket.

Ya can't wait until he re-does his "diamond can barely scratch granite" claim with a better than dull diamond scriber this time and amazingly gets the same result as the last time...............

Archae Solenhofen (solenhofen@hotmail.com)