RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-01385

Case 37 — What a water-resistance claim does and does not establish · source wording exercise

Limit of the answer in “What a water-resistance claim does and does not establish”: “A photograph or a caseback engraving is not…” is an excerpt from the discussion, not an independent verification. A reader needs the relevant original material before treating an interpretation as established. Review focus: source wording. Retain the source wording beside any paraphrase.