{"id":"S85095908","label":"Oscillators, Vacuum-tube","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85095908","normalized_label":"oscillators, vacuum-tube","broader":["http://id.loc.gov/authorities/subjects/sh85095903","http://id.loc.gov/authorities/subjects/sh85141746"],"aliases":["Vacuum-tube oscillators"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85095908","provider":"lcsh","revision":"c5544c62e02e0fdd","taxonomy_revision":"f050b5d4780b1289","title":"Oscillators, Vacuum-tube","url":"/topics/S85095908","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513924599885465156","address_version":"morton4x16-v1","coordinates":[0,20,18903,36864],"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}