{"e":{"id":287180,"source":"ia_catalogofcopyri341213libr","title":"JP107, MACHINES DO WORK","header":" MACHINES DO WORK. Young America Films, Inc., 1949. 11 min., sd., b&w, 16mm. Summary: Discusses the use of the lever, wheel and axle, inclined plane, and pulley; illustrates how machines help make our work easier. For elementary school science classes. Credits: Advisers, GeraldS. Craig, Helen Warrin","year":1949,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":9946,"line_end":9960,"source_text":"MACHINES DO WORK. Young America \nFilms, Inc., 1949. 11 min., sd., b&w, \n16mm. \n\nSummary: Discusses the use of the \nlever, wheel and axle, inclined plane, \nand pulley; illustrates how machines \nhelp make our work easier. For elemen- \ntary school science classes. \n\nCredits: Advisers, GeraldS. Craig, \nHelen Warrin. \n\n© Leonard Peck Productions; 15Apr49; \nMP5045, ","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":306087,"entry_id":287180,"reg_number":"MP5045","series":3,"see_also":[],"reg_class":"MP","published":true,"claimant":"Leonard Peck Productions","author":null,"deposit":null,"reg_date":"1949-04-15","part":null,"part_title":null,"source_line":9959,"raw":"use of the lever, wheel and axle, inclined plane, and pulley; illustrates how machines help make our work easier. For elementary school science classes. Credits: Advisers, GeraldS. Craig, Helen Warrin © Leonard Peck Productions; 15Apr49; MP5045","flags":["see_reference_in_head"],"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":""}]}]}