Author Topic: Micrometer  (Read 4703 times)

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Offline leg17

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Re: Micrometer
« Reply #15 on: March 18, 2015, 07:45:17 PM »
Good point,  maybe designed to measure wall thickness of "O" ring grooves.. (ID)

We will never know. Could be anything.  Like I said in my first response,
"You had to be there"