{"id":"S85127709","label":"Steam-turbines","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85127709","normalized_label":"steam-turbines","broader":["http://id.loc.gov/authorities/subjects/sh85127673","http://id.loc.gov/authorities/subjects/sh85138718"],"aliases":["Aeolipiles"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85127709","provider":"lcsh","revision":"e3603851a2e1a7dc","taxonomy_revision":"f050b5d4780b1289","title":"Steam-turbines","url":"/topics/S85127709","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903051183323759104","address_version":"morton4x16-v1","coordinates":[0,20,19400,29696],"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}