{"id":"S85058427","label":"Half-wave rectifiers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85058427","normalized_label":"half-wave rectifiers","broader":["http://id.loc.gov/authorities/subjects/sh85041638"],"aliases":["Rectifiers, Half-wave"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85058427","provider":"lcsh","revision":"a97054f0ad4d41a8","taxonomy_revision":"f050b5d4780b1289","title":"Half-wave rectifiers","url":"/topics/S85058427","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124246187088430596","address_version":"morton4x16-v1","coordinates":[0,20,18317,60416],"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}