{"id":"S85038434","label":"Disk-seal tubes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85038434","normalized_label":"disk-seal tubes","broader":["http://id.loc.gov/authorities/subjects/sh85084973"],"aliases":["Lighthouse tubes","Megatrons","Planar grid tubes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85038434","provider":"lcsh","revision":"fb742f33e9934bb0","taxonomy_revision":"f050b5d4780b1289","title":"Disk-seal tubes","url":"/topics/S85038434","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511747823486764548","address_version":"morton4x16-v1","coordinates":[0,20,18005,34816],"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}