RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-01385
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June 6, 2018 at 2:29 am
#16005
DialCheck 02864
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Case 18 — Crystal reflections: why a dark patch is not a coating test
No single lighting setup settles that question. Compare multiple controlled angles and describe the visible observation without asserting material specifications that have not been verified.