{"id":"S85063334","label":"Hydraulic servomechanisms","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85063334","normalized_label":"hydraulic servomechanisms","broader":["http://id.loc.gov/authorities/subjects/sh85063322","http://id.loc.gov/authorities/subjects/sh85094332","http://id.loc.gov/authorities/subjects/sh85120366"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85063334","provider":"lcsh","revision":"fc1ed8396c434a02","taxonomy_revision":"f050b5d4780b1289","title":"Hydraulic servomechanisms","url":"/topics/S85063334","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513999641554076224","address_version":"morton4x16-v1","coordinates":[0,20,18394,38912],"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}