{"e":{"id":286209,"source":"ia_catalogofcopyri331213libr","title":"MAKING ELECTRICITY","header":"ncyclopaedia Britannica Films, Inc., 1949. 11 min., sd., b&w, 16mm. Summary: Describes the construction of a miniature generator and explains how electricity is generated at a large hydroelectric plant. For middle and primary grades. Credits: Collaborator, S. Ralph Powers. MAKING ELECTRICITY. Cont'd","year":1949,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":30517,"line_end":30535,"source_text":"MAKING ELECTRICITY. Encyclopaedia \nBritannica Films, Inc., 1949. 11 min., \nsd., b&w, 16mm. \n\nSummary: Describes the construction \nof a miniature generator and explains \nhow electricity is generated at a large \nhydroelectric plant. For middle and \nprimary grades. \n\nCredits: Collaborator, S. Ralph Powers. \n\n\nCATALOG OF COPYRIGHT ENTRIES \n\n\nMAKING ELECTRICITY. Cont'd. \n© Encyclopaedia Britannica Films, \nInc, ; 2Jun49; MP4262. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1949","url":"https://archive.org/details/catalogofcopyri331213libr","cite":"Internet Archive catalogofcopyri331213libr (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1949_catalogofcopyri331213libr_djvu.txt"},"ia_items":[],"ia_lookup":[],"atlas":[]},"regs":[{"id":305116,"entry_id":286209,"reg_number":"MP4262","series":3,"see_also":[],"reg_class":"MP","published":true,"claimant":"Encyclopaedia Britannica Films, Inc","author":null,"deposit":null,"reg_date":"1949-06-02","part":null,"part_title":null,"source_line":30534,"raw":"ion of a miniature generator and explains how electricity is generated at a large hydroelectric plant. For middle and primary grades. Credits: Collaborator, S. Ralph Powers. MAKING ELECTRICITY. Cont'd © Encyclopaedia Britannica Films, Inc, ; 2Jun49; MP4262","flags":[],"status":"no-renewal-found","pd_date":"1978-01-01","reason":"no renewal entry found for 1976-1978 in the CCE motion-picture renewal sections or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1976,1977],"window_volumes":[{"year":1976,"ia_identifier":"1976motionpictur3301213libr"},{"year":1977,"ia_identifier":"1977motionpictur3311213libr"},{"year":1978,"ia_identifier":""}]}]}