That is an impressive widget. :-)
On 3/22/20 12:08 PM, andy pugh wrote:
On Sun, 22 Mar 2020 at 18:27, dave engvall <dengv...@charter.net> wrote:
I bought one of these a few years ago when they were somewhat less
expensive. The polarizer helps the beam considerably. I think one can
get something on the order of 0.01" repeatability using your eye.
This is for cam grinding. 0.01" is far too much. 0.01mm would be more like it.
The widget I linked to has a resolution of 0.0001mmm or 0.000004"
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