{"e":{"id":285546,"source":"ia_catalogofcopyri331213libr","title":"PRODUCTIVITY—KEY TO PLENTY","header":"d., b&w, 16mm. Summary: Traces the development of machina power in the United States from 1850 to date, emphasizing that the United States has achieved great production, a large income, and a high standard of living because of the mastery of machine power. Credits: Collaborator, J. Frederic Dewhurst","year":1949,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":11490,"line_end":11504,"source_text":"1949. 20 min., sd., b&w, 16mm. \n\nSummary: Traces the development \nof machina power in the United States \nfrom 1850 to date, emphasizing that the \nUnited States has achieved great pro- \nduction, a large income, and a high \nstandard of living because of the mastery \nof machine power. \n\nCredits: Collaborator, J. Frederic \nDewhurst, \n\n© Encyclopaedia Britannica Films, \nInc.; 28Mar49; MP3990. ","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":304453,"entry_id":285546,"reg_number":"MP3990","series":3,"see_also":[],"reg_class":"MP","published":true,"claimant":"Encyclopaedia Britannica Films, Inc","author":null,"deposit":null,"reg_date":"1949-03-28","part":null,"part_title":null,"source_line":11503,"raw":"te, emphasizing that the United States has achieved great production, a large income, and a high standard of living because of the mastery of machine power. Credits: Collaborator, J. Frederic Dewhurst © Encyclopaedia Britannica Films, Inc.; 28Mar49; MP3990","flags":["title_from_index"],"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":""}]}]}