How to check squareness
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How to check and repair a cylinder square.
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Measuring for Parallelism Using the Granite Surface Plate
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How to Accurately Inspect a Flat Surface
7:52
transform a surface gauge into a squareness comparator
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How to use a V Block
8:44
Measuring flatness, parallelism and perpendicularity on a surface plate.
11:39
How bad is a dirt cheap Chinese surface plate?
6:36