{"e":{"id":5778,"source":"pg51836","title":"CHILD GROWTH; a Series of Demonstration Tests","header":"CHILD GROWTH; a Series of Demonstration Tests. 1930. 2 reels.","year":1930,"reels":2,"feet":null,"sound":false,"credits":"Charlotte M. Buehler.","notes":[],"line_start":36069,"line_end":36074,"source_text":"  CHILD GROWTH; a Series of Demonstration Tests. 1930. 2 reels.\n\n    Credits: Charlotte M. Buehler.\n\n    © Electrical Research Products, Inc.; 10Aug30; MP2540.\n","source_meta":{"name":"Catalog of Copyright Entries, Motion Pictures 1912–1939 (Library of Congress, 1951)","url":"https://www.gutenberg.org/ebooks/51836","cite":"Project Gutenberg #51836","file":"/root/projects/publicreel/data/raw/cce_motion_pictures_1912_1939_pg51836.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":5913,"entry_id":5778,"reg_number":"MP2540","series":2,"see_also":[],"reg_class":"MP","published":true,"claimant":"Electrical Research Products, Inc","author":null,"deposit":null,"reg_date":"1930-08-10","part":null,"part_title":null,"source_line":36073,"raw":"© Electrical Research Products, Inc.; 10Aug30; MP2540.","flags":[],"status":"pd-term-expired","pd_date":"2026-01-01","reason":"copyright term began 1930-08-10; the maximum term (28 + 67 years) ended before 2026-01-01","match_kind":"number+date","match_confidence":"medium","title_similarity":0.2888889,"renewals":[{"id":248979,"volume_year":1958,"renewal_number":"R213854","title":"CHILD GROWTH","description":"a motion picture in two reels by Electrical Research Products, Inc","orig_date":"1930-08-10","orig_date_raw":"10Aug30","orig_number":"MP2540","orig_number_raw":"M2540","orig_number_digits":2540,"renewal_claimant":"Encyclopaedia Britannica Films, Inc","renewal_basis":"PWH","renewal_date":"1958-04-30","renewal_date_raw":"30Apr58","part":null,"part_title":null,"parent_title":null,"see_refs":[],"see_also":[],"flags":["orig_class_abbreviated"],"source_file":"1958_catalogofcopyrig3121213li_djvu.txt","source_line":16923,"raw":"CHILD GROWTH, a motion picture in two reels by Electrical Research Products, Inc. © 10Aug30; M2540. Encyclopaedia Britannica Films, Inc. (PWH); 30Apr58; R213854","raw_sha":"f52b97dcd9b1f008673da726ddcb7bdc1d6110eb","match_kind":"number+date","title_similarity":0.2888889,"ia_identifier":"catalogofcopyrig3121213li","kind":"cce","context":"CHILD GROWTH, a motion picture in two \nreels by Electrical Research Products, \nInc. © 10Aug30; M2540. Encyclo- \npaedia Britannica Films, Inc. (PWH); \n30Apr58; R213854. \nJan.—June ","llm":[]}],"window":[1957,1958],"window_volumes":[{"year":1957,"ia_identifier":"catalogofcopyrig3111213li"},{"year":1958,"ia_identifier":"catalogofcopyrig3121213li"},{"year":1959,"ia_identifier":"catalogofcopyrig3131213li"}]}]}