{"id":"S2003011495","label":"Cesium electron tubes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003011495","normalized_label":"cesium electron tubes","broader":["http://id.loc.gov/authorities/subjects/sh85042239"],"aliases":["Cesium beam tubes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003011495","provider":"lcsh","revision":"52247349914ca2cf","taxonomy_revision":"f050b5d4780b1289","title":"Cesium electron tubes","url":"/topics/S2003011495","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13837534439506601538","address_version":"morton4x16-v1","coordinates":[0,477,36382,39936],"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}