RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-28293
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November 23, 2025 at 3:06 am
#228247
ServiceLedger 06356
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Case 2 — 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.