{"e":{"id":284607,"source":"ia_catalogofcopyrig321213lib","title":"FRENCH VERSION SEE PRINCIPES FONDAMENTAUX DE L’ACCOUSTIQUE","header":"w, 16mm, French version of “‘Fundamentals of Accoustics’’, Summary: By means of animated diagrams, the range and physiology of hearing, and the principles of velocity and refraction of sound are explained. Engineering problems, such as the elimination of high and low frequencies, are also considered","year":1948,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":27724,"line_end":27736,"source_text":"Inc., 1948. 1 reel, sd., b&w, 16mm, \nFrench version of “‘Fundamentals of \nAccoustics’’, \n\nSummary: By means of animated dia- \ngrams, the range and physiology of hearing, \nand the principles of velocity and refraction \nof sound are explained. Engineering \nproblems, such as the elimination of high \nand low frequencies, are also considered. \n\n© Encyclopaedia Britannica Films, \nInc.; 15Nov48; MP3599. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1948","url":"https://archive.org/details/catalogofcopyrig321213lib","cite":"Internet Archive catalogofcopyrig321213lib (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1948_catalogofcopyrig321213lib_djvu.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":303514,"entry_id":284607,"reg_number":"MP3599","series":3,"see_also":[],"reg_class":"MP","published":true,"claimant":"Encyclopaedia Britannica Films, Inc","author":null,"deposit":null,"reg_date":"1948-11-15","part":null,"part_title":null,"source_line":27735,"raw":"he range and physiology of hearing, and the principles of velocity and refraction of sound are explained. Engineering problems, such as the elimination of high and low frequencies, are also considered © Encyclopaedia Britannica Films, Inc.; 15Nov48; MP3599","flags":["title_from_index"],"status":"no-renewal-found","pd_date":"1977-01-01","reason":"no renewal entry found for 1975-1977 in the CCE motion-picture renewal sections","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1975,1976],"window_volumes":[{"year":1975,"ia_identifier":"catalogofcopyrig3291213libr"},{"year":1976,"ia_identifier":"1976motionpictur3301213libr"},{"year":1977,"ia_identifier":"1977motionpictur3311213libr"}]}]}