{"id":"S85042241","label":"Electron tubes--Grids","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85042241","normalized_label":"electron tubes--grids","broader":["http://id.loc.gov/authorities/subjects/sh85042110"],"aliases":["Grids (Electronics)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85042241","provider":"lcsh","revision":"055238e6348f69e8","taxonomy_revision":"f050b5d4780b1289","title":"Electron tubes--Grids","url":"/topics/S85042241","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288243846243287556","address_version":"morton4x16-v1","coordinates":[0,20,18065,1024],"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}