RE: [Demo notebook] Collector’s comparison desk: dimensions, fit and documented differences · RWI-05338
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July 13, 2019 at 8:44 am
#42621
ReferenceLog 09480
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Case 25 — 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.