{"e":{"id":293314,"source":"ia_catalogofcopyrig371213lib","title":"JET PROPULSION","header":"JET PROPULSION. Encyclopaedia Britannica Films, 1952, 11 min., sd., bew, 16mm. Summary: Illustrates the physical principles on which jet propulsion is based, and describes the operation and uses of several types of jet engines. Credits: Associate producer, Hal Kopel; collaborator, John T. Rettaliata","year":1952,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":9755,"line_end":9768,"source_text":"JET PROPULSION. Encyclopaedia Britannica \n\nFilms, 1952, 11 min., sd., bew, 16mm. \n\nSummary: Illustrates the physical princi- \nples on which jet propulsion is based, and \ndescribes the operation and uses of several \ntypes of jet engines. \n\nCredits: Associate producer, Hal Kopel; \ncollaborator, John T. Rettaliata. \n\n© Encyclopaedia Britannica Films, inc.; \n24Novs2; MP3238. ","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":312221,"entry_id":293314,"reg_number":"MP3238","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"Encyclopaedia Britannica Films, inc","author":null,"deposit":null,"reg_date":"1952-11-24","part":null,"part_title":null,"source_line":9767,"raw":"the physical principles on which jet propulsion is based, and describes the operation and uses of several types of jet engines. Credits: Associate producer, Hal Kopel; collaborator, John T. Rettaliata © Encyclopaedia Britannica Films, inc.; 24Novs2; MP3238","flags":["date_ocr_fixed"],"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":""}]}]}