Re: calipers or mikes

[dave.williams@chaos.lrk.ar.us (Dave Williams)]

-> no doubt) make a direct tenth reading model.
->
-> You need to be very careful about surface cleanliness to get
-> repeatable readings to this degree of accuracy.

 Even temperature will make a difference with a tenth mike, particularly
with aluminum.  And don't forget to use the little friction thimble on
the end.