{"id":"S85133329","label":"Telegraph--Perforating system","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85133329","normalized_label":"telegraph--perforating system","broader":["http://id.loc.gov/authorities/subjects/sh85133318"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85133329","provider":"lcsh","revision":"e4009a67b379dc57","taxonomy_revision":"f050b5d4780b1289","title":"Telegraph--Perforating system","url":"/topics/S85133329","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864774691343172096","address_version":"morton4x16-v1","coordinates":[0,20,19488,17408],"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}