{"e":{"id":316329,"source":"ia_catalogofcopyr3151213libr","title":"MAGNETIC FORCE","header":"T FOOD (Filmstrip) International Minerals & Chemical Corp. Made by Empire Photosound. 69 fr., color, 35 mm. © International Minerals & Chemical Corp. & Empire Photosound, Inc.; 14Dec60; JU9987. MAGNETIC FIELDS. SEE MAGNETS. MAGNETIC FORCE. U.S. National Academy of Sciences. 27 min., sd., color, 16mm","year":1960,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":13684,"line_end":13698,"source_text":"MAGNESIUM - MAJOR PLANT FOOD (Filmstrip) \nInternational Minerals & Chemical Corp. \nMade by Empire Photosound. 69 fr., \ncolor, 35 mm. © International Minerals \n& Chemical Corp. & Empire Photosound, \nInc.; 14Dec60; JU9987. \n\n\nMAGNETIC FIELDS. SEE MAGNETS. \n\n\nMAGNETIC FORCE. U.S. National Academy \nof Sciences. 27 min., sd., color, \n16mm. ©U. S. National Academy of \nSciences; 1Nov60; MP10981. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1961","url":"https://archive.org/details/catalogofcopyr3151213libr","cite":"Internet Archive catalogofcopyr3151213libr (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1961_catalogofcopyr3151213libr_djvu.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":335236,"entry_id":316329,"reg_number":"MP10981","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"U. S. National Academy of Sciences","author":null,"deposit":null,"reg_date":"1960-11-01","part":null,"part_title":null,"source_line":13697,"raw":"35 mm. © International Minerals & Chemical Corp. & Empire Photosound, Inc.; 14Dec60; JU9987. MAGNETIC FIELDS. SEE MAGNETS. MAGNETIC FORCE. U.S. National Academy of Sciences. 27 min., sd., color, 16mm ©U. S. National Academy of Sciences; 1Nov60; MP10981","flags":["see_reference_in_head"],"status":"no-renewal-found","pd_date":"1989-01-01","reason":"no renewal entry found for 1987-1989 or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1987,1988],"window_volumes":[{"year":1987,"ia_identifier":""},{"year":1988,"ia_identifier":""},{"year":1989,"ia_identifier":""}]}]}