{"id":"S85028431","label":"Collimators (Optical instrument)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85028431","normalized_label":"collimators (optical instrument)","broader":["http://id.loc.gov/authorities/subjects/sh85095150"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85028431","provider":"lcsh","revision":"f8d2f88bd157851c","taxonomy_revision":"f050b5d4780b1289","title":"Collimators (Optical instrument)","url":"/topics/S85028431","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326664922870465028","address_version":"morton4x16-v1","coordinates":[0,20,17849,15360],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}