"I repaired calipers and other precision tools for 20+ years,"
Funny you should mention this Mike, I have two Mitutoyo dial calipers, one metric the other imperial. One day the metric one was 10mm out so I had to turn the dial to read zero. I can't see any trace of foreign matter in the rack and this "new" angled position for the dial has not changed since. Several weeks after this happened, the same thing occurred with the imperial one! Any ideas???????????
This should be a lesson for you Mike, socially, a doctor will never ask how you are for fear of being told all the things wrong with the individual!
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Harry |