{"id":"S85138400","label":"Tube-still heaters","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85138400","normalized_label":"tube-still heaters","broader":["http://id.loc.gov/authorities/subjects/sh85052511","http://id.loc.gov/authorities/subjects/sh85100459"],"aliases":["Heaters, Tube-still","Pipe-still heaters","Tube-still furnaces"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85138400","provider":"lcsh","revision":"fc9fbb263078b585","taxonomy_revision":"f050b5d4780b1289","title":"Tube-still heaters","url":"/topics/S85138400","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511677179868628548","address_version":"morton4x16-v1","coordinates":[0,20,19567,32768],"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}