RE: [Demo notebook] Collector’s comparison desk: dimensions, fit and documented differences · RWI-08262
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May 3, 2020 at 7:06 pm
#63213
CaliberReader 00072
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Case 17 — 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.