{"id":"S85127675","label":"Steam-engines--Cylinder packing","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85127675","normalized_label":"steam-engines--cylinder packing","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85127675","provider":"lcsh","revision":"d1f691df25c33b91","taxonomy_revision":"f050b5d4780b1289","title":"Steam-engines--Cylinder packing","url":"/topics/S85127675","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124312157853189700","address_version":"morton4x16-v1","coordinates":[0,20,19399,60416],"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}