{"id":"S85079685","label":"Magnetic amplifiers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85079685","normalized_label":"magnetic amplifiers","broader":["http://id.loc.gov/authorities/subjects/sh85041630","http://id.loc.gov/authorities/subjects/sh85041983","http://id.loc.gov/authorities/subjects/sh85079698"],"aliases":["Amplifiers, Magnetic","Transductors"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85079685","provider":"lcsh","revision":"89c24bdaf200db4a","taxonomy_revision":"f050b5d4780b1289","title":"Magnetic amplifiers","url":"/topics/S85079685","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290561341943857728","address_version":"morton4x16-v1","coordinates":[0,20,18650,5120],"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}