{"id":"S85053637","label":"Gearing, Spiral","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85053637","normalized_label":"gearing, spiral","broader":[],"aliases":["Gearing, Helical","Helical gearing","Spiral gearing"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85053637","provider":"lcsh","revision":"97f55a381a238ce2","taxonomy_revision":"f050b5d4780b1289","title":"Gearing, Spiral","url":"/topics/S85053637","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290495662229946948","address_version":"morton4x16-v1","coordinates":[0,20,18243,5120],"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}