{"id":"S85000476","label":"Acetylene lamps","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85000476","normalized_label":"acetylene lamps","broader":["http://id.loc.gov/authorities/subjects/sh85074260"],"aliases":["Carbide lamps"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85000476","provider":"lcsh","revision":"1211e89b44088cba","taxonomy_revision":"f050b5d4780b1289","title":"Acetylene lamps","url":"/topics/S85000476","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"902976123334428160","address_version":"morton4x16-v1","coordinates":[0,20,17412,28672],"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}