RE: [Demo notebook] Workbench questions: what to record before asking for service · RWI-10203
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November 17, 2020 at 3:43 am
#81037
ServiceLedger 07896
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Case 20 — 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-10203/20: address this question within its stated limits.