{"e":{"id":319217,"source":"ia_catalogofcopyr3161213libr","title":"ELECTRONS AT WORK","header":"ELECTRONS AT WORK. Encyclopaedia Britannica Films. 14 min., sd., color, 16 mm. (Science for the Space age: basic physical science series)","year":1961,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":4163,"line_end":4170,"source_text":"ELECTRONS AT WORK. Encyclopaedia \n\n\nBritannica Films. 14 min., sd., \ncolor, 16 mm. (Science for the \nSpace age: basic physical science \nseries) © Encyclopaedia Britannica \nFilms, Inc.; 15Aug61; MP12017. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1962","url":"https://archive.org/details/catalogofcopyr3161213libr","cite":"Internet Archive catalogofcopyr3161213libr (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1962_catalogofcopyr3161213libr_djvu.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":338124,"entry_id":319217,"reg_number":"MP12017","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"Encyclopaedia Britannica Films, Inc","author":null,"deposit":null,"reg_date":"1961-08-15","part":null,"part_title":null,"source_line":4169,"raw":"ELECTRONS AT WORK. Encyclopaedia Britannica Films. 14 min., sd., color, 16 mm. (Science for the Space age: basic physical science series) © Encyclopaedia Britannica Films, Inc.; 15Aug61; MP12017","flags":[],"status":"renewed","pd_date":"2057-01-01","reason":"renewal RE454256 filed 1989-12-27 by Encyclopaedia Britannica Educational Corporation (number+date; Copyright Office public records dataset, record 7349679)","match_kind":"number+date","match_confidence":"high","title_similarity":1.0,"renewals":[{"id":355661,"volume_year":1989,"renewal_number":"RE454256","title":"Electrons at work","description":null,"orig_date":"1961-08-15","orig_date_raw":"1961-08-15","orig_number":"MP12017","orig_number_raw":"MP12017","orig_number_digits":12017,"renewal_claimant":"Encyclopaedia Britannica Educational Corporation","renewal_basis":"PWH","renewal_date":"1989-12-27","renewal_date_raw":"1989-12-27","part":null,"part_title":null,"parent_title":null,"see_refs":[],"see_also":[],"flags":["usco"],"source_file":"usco/renewal_2026_01","source_line":7349679,"raw":"{\"control\": \"7349679\", \"017\": [\"RE0000454256 /\", \"MP0000012017 /\"], \"017d\": \"1989-12-27\", \"008\": \"070613e19610815xx ||||||||||||||||||||\", \"names\": [[\"710\", \"Encyclopaedia Britannica Films, Inc.\"], [\"710\", \"Encyclopaedia Britannica Educational Corporation\"]], \"title\": \"Electrons at work. By Encyclopaedia Britannica Films, Inc.\", \"alternate_title\": \"Electrons at work\", \"claimants\": [\"Encyclopaedia Britannica Educational Corporation (PWH)\"], \"work_type\": \"X Motion picture or filmstrip\"}","raw_sha":"ec674d0e132d26d444ddd9073128c09cc5b6c530","match_kind":"number+date","title_similarity":1.0,"ia_identifier":"","kind":"usco","context":"","llm":[]}],"window":[1988,1989],"window_volumes":[{"year":1988,"ia_identifier":""},{"year":1989,"ia_identifier":""},{"year":1990,"ia_identifier":""}]}]}