Jon Patten posts a bio:

> hooked on woodworking big time.

Welcome to the porch Jon.

>I determine why the chips fail.

Maybe your mortise chisel was too dull.  My chips usually just fall.

Jon now delivers the knock-out punch  (how could I possibly delete any of
this)

> We have three SEMs(all of which I know how to use), one
> is an older Hitachi 520(about 20 years old) highest reasonable
> magnification is 25,000x.  The other two are JEOL SEMs, one a
> 5800 is configured with an EDX system and probably has a capability
> of about 35,000x with a chamber capable of putting in a 5"square
> sample.  The other JEOL SEM is a field emission SEM that is capable of
> getting a good image at around 120,000x depending on sample and a
> sample size of  5" square.  This SEM also has an EDX system on it.

And here I was still trying to come to terms with  " pondering the
bifurcating lemma " courtesy of Cowtown Eric,   boy do I have a lot to
learn!     ;^)

Marvin
Kootenay Lake,  BC