{"id":"S85126728","label":"Spiral concentrators","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85126728","normalized_label":"spiral concentrators","broader":["http://id.loc.gov/authorities/subjects/sh85095414","http://id.loc.gov/authorities/subjects/sh85120100"],"aliases":["Spirals (Concentrators)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85126728","provider":"lcsh","revision":"c5aad229ae0399ff","taxonomy_revision":"f050b5d4780b1289","title":"Spiral concentrators","url":"/topics/S85126728","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324329835050975748","address_version":"morton4x16-v1","coordinates":[0,20,19385,8192],"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}