"Thats why I say I would much rather have a cheap dial caliper than a cheap digital. With a dial caliper you have a physical gear connection between the dial and the beam. So, at least when they are new, a cheap one is just as good as an expensive one."
THAT I fully agree with. I was a professional electronics guy virtually all my working life and had good job security because that stuff is flaky. No matter how much you pay for it!
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"Anyone getting Clark's cited variation of 15 thou in ten readings has an operator ..." "
That was 5 thou."
Ah. Your example of .340" to .355" variation fooled me!