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https://www.nist.gov/people/john-r-stoup
John R. Stoup (Fed)
Mr. Stoup is a mechanical engineer in the Dimensional Metrology Group in the Sensor Science Division of the Physical Measurement Laboratory (PML) at the National Institute of Standards and Technology (NIST).
Patrick Egan, Eric S. Stanfield, John R. Stoup, Christopher W. Meyer
Recent developments in diameter metrology at NIST have improved the dimensional characterization of piston–cylinder assemblies (PCAs) to unprecedented precision