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The Water Cooler
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Checking and lapping a machine shop granite stone for flatness in millionths of an inch
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<blockquote data-quote="Calamity Jake" data-source="post: 3506083" data-attributes="member: 12219"><p>And 50 millionths is half of one tenth</p><p>I'm a retired machinist, one shop I worked in a 5 4ft X 8ft surface plates, they were</p><p>calibrated once a year and kept flat within 50 mil. overall</p></blockquote><p></p>
[QUOTE="Calamity Jake, post: 3506083, member: 12219"] And 50 millionths is half of one tenth I'm a retired machinist, one shop I worked in a 5 4ft X 8ft surface plates, they were calibrated once a year and kept flat within 50 mil. overall [/QUOTE]
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The Water Cooler
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Checking and lapping a machine shop granite stone for flatness in millionths of an inch
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