RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-19445

Case 50 — Movement identification: the limits of a rotor photograph · source wording exercise

Clarification for “Movement identification: the limits of a rotor photograph”: the point beginning “Ask a qualified watchmaker to inspect it if identification matters for…” belongs to the question as written. It should not be read as a report that a new check, purchase or experiment has been completed. Review focus: source wording. Retain the source wording beside any paraphrase.