{"id":"S85144318","label":"Voltage doublers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85144318","normalized_label":"voltage doublers","broader":["http://id.loc.gov/authorities/subjects/sh85041638"],"aliases":["Doublers, Voltage"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85144318","provider":"lcsh","revision":"c60f658cfe7aaca1","taxonomy_revision":"f050b5d4780b1289","title":"Voltage doublers","url":"/topics/S85144318","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126559267562603076","address_version":"morton4x16-v1","coordinates":[0,20,19659,63488],"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}