{"e":{"id":294334,"source":"ia_catalogofcopyrig371213lib","title":"DOPPLER EFFECT","header":"DOPPLER EFFECT. McGraw-Hill Book Co. Made by Audio Productions, 8 min., sd., b&w, 16mm. (College physics series) Produced with the cooperation of the Visual Aids Committee of the American Association of Physics Teachers","year":1952,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":38369,"line_end":38377,"source_text":"DOPPLER EFFECT. McGraw-Hill Book Co. \nMade by Audio Productions, 8 min., sd., \nb&w, 16mm. (College physics series) Pro- \nduced with the cooperation of the Visual Aids \nCommittee of the American Association of \nPhysics Teachers, \n\n© McGraw-Hill Book Co., inc.; 30Dec52 (in \nnotice: 1951); MP3910. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1953","url":"https://archive.org/details/catalogofcopyrig371213lib","cite":"Internet Archive catalogofcopyrig371213lib (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1953_catalogofcopyrig371213lib_djvu.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":313241,"entry_id":294334,"reg_number":"MP3910","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"McGraw-Hill Book Co., inc","author":null,"deposit":null,"reg_date":"1952-12-30","part":null,"part_title":null,"source_line":38376,"raw":"raw-Hill Book Co. Made by Audio Productions, 8 min., sd., b&w, 16mm. (College physics series) Produced with the cooperation of the Visual Aids Committee of the American Association of Physics Teachers © McGraw-Hill Book Co., inc.; 30Dec52 (in notice: 1951); MP3910","flags":[],"status":"no-renewal-found","pd_date":"1981-01-01","reason":"no renewal entry found for 1979-1981 or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1979,1980],"window_volumes":[{"year":1979,"ia_identifier":""},{"year":1980,"ia_identifier":""},{"year":1981,"ia_identifier":""}]}]}