{"e":{"id":287046,"source":"ia_catalogofcopyri341213libr","title":"GRAVITY","header":"GRAVITY. Coronet, 1950. 11 min., sd., b&w, 16mm. Summary: Explains Newton's Law of Universal Gravitation and shows how the force of gravity depends on the masses involved and the distance between them. For intermediate and junior high school grades. Credits: Educational collaborator, Ira C. Davis","year":1950,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":6891,"line_end":6904,"source_text":"GRAVITY. Coronet, 1950. 11 min., sd., \nb&w, 16mm. \n\nSummary: Explains Newton's Law of \nUniversal Gravitation and shows how the \nforce of gravity depends on the masses \ninvolved and the distance between them. \nFor intermediate and junior high school \ngrades. \n\nCredits: Educational collaborator, Ira \nC. Davis. \n\n© David A. Smart; 30Jan50; MP191. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1950","url":"https://archive.org/details/catalogofcopyri341213libr","cite":"Internet Archive catalogofcopyri341213libr (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1950_catalogofcopyri341213libr_djvu.txt"},"ia_items":[],"ia_lookup":[],"atlas":[]},"regs":[{"id":305953,"entry_id":287046,"reg_number":"MP191","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"David A. Smart","author":null,"deposit":null,"reg_date":"1950-01-30","part":null,"part_title":null,"source_line":6904,"raw":"itation and shows how the force of gravity depends on the masses involved and the distance between them. For intermediate and junior high school grades. Credits: Educational collaborator, Ira C. Davis © David A. Smart; 30Jan50; MP191","flags":[],"status":"no-renewal-found","pd_date":"1979-01-01","reason":"no renewal entry found for 1977-1979 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":[1977,1978],"window_volumes":[{"year":1977,"ia_identifier":"1977motionpictur3311213libr"},{"year":1978,"ia_identifier":""},{"year":1979,"ia_identifier":""}]}]}