{"e":{"id":289066,"source":"ia_catalogofcopyri351213libr","title":"FUNDAMENTALS OF ACOUSTICS","header":"s; portrays the mechanics of the hearing process; explains the range of the human voice; reveals the effects of eliminating vibrational frequencies, and identifies ultrasonics. For high school, college, and adult groups. Credits: Educational collaborators, John Wilkinson, Heinz R. Paneth, E. F. Fahy","year":1950,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":6226,"line_end":6238,"source_text":"of sounds; portrays the mechanics of the \nhearing process; explains the range of the \nhuman voice; reveals the effects of elim- \ninating vibrational frequencies, and iden- \ntifies ultrasonics. For high school, college, \nand adult groups. \n\nCredits: Educational collaborators, \nJohn Wilkinson, Heinz R. Paneth, E. F. \nFahy. \n\n© Encyclopaedia Britannica Films Inc.; \n29Dec50; MP1153. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1951","url":"https://archive.org/details/catalogofcopyri351213libr","cite":"Internet Archive catalogofcopyri351213libr (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1951_catalogofcopyri351213libr_djvu.txt"},"ia_items":[],"ia_lookup":[],"atlas":[]},"regs":[{"id":307973,"entry_id":289066,"reg_number":"MP1153","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"Encyclopaedia Britannica Films Inc","author":null,"deposit":null,"reg_date":"1950-12-29","part":null,"part_title":null,"source_line":6237,"raw":"effects of eliminating vibrational frequencies, and identifies ultrasonics. For high school, college, and adult groups. Credits: Educational collaborators, John Wilkinson, Heinz R. Paneth, E. F. Fahy © Encyclopaedia Britannica Films Inc.; 29Dec50; MP1153","flags":["see_reference_in_head"],"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":""}]}]}