RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-28293
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November 23, 2025 at 2:17 am
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MovementIndex 06355
Participant
Case 2 — Crystal reflections: why a dark patch is not a coating test
A dark area appears at an oblique angle in a single photograph. Does that establish a coating difference?
Exercise RWI-28293/2: address this question within its stated limits.