{"e":{"id":286589,"source":"ia_catalogofcopyri331213libr","title":"THINGS EXPAND WHEN HEATED","header":", 1949. 11 min., sd., b&w, 16mm. Summary: Demonstrates by animation and simple photography the movements of molecules before and after heat is applied. Examples of expansion and contraction from everyday life are shown. For elementary grades. Credits; Author, Arthur H. Wolf; adviser, Gerald S. Craig","year":1949,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":37470,"line_end":37483,"source_text":"Corp., Inc., 1949. 11 min., sd., b&w, \n16mm. \n\nSummary: Demonstrates by animation \nand simple photography the movements of \nmolecules before and after heat is applied. \nExamples of expansion and contraction \nfrom everyday life are shown. For ele- \nmentary grades. \n\nCredits; Author, Arthur H. Wolf; ad- \nviser, Gerald S. Craig. \n\n© Centron Corp., Inc.; 24Jun49; MP4753. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1949","url":"https://archive.org/details/catalogofcopyri331213libr","cite":"Internet Archive catalogofcopyri331213libr (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1949_catalogofcopyri331213libr_djvu.txt"},"ia_items":[],"ia_lookup":[],"atlas":[]},"regs":[{"id":305496,"entry_id":286589,"reg_number":"MP4753","series":3,"see_also":[],"reg_class":"MP","published":true,"claimant":"Centron Corp., Inc","author":null,"deposit":null,"reg_date":"1949-06-24","part":null,"part_title":null,"source_line":37483,"raw":"ents of molecules before and after heat is applied. Examples of expansion and contraction from everyday life are shown. For elementary grades. Credits; Author, Arthur H. Wolf; adviser, Gerald S. Craig © Centron Corp., Inc.; 24Jun49; MP4753","flags":[],"status":"no-renewal-found","pd_date":"1978-01-01","reason":"no renewal entry found for 1976-1978 in the CCE motion-picture renewal sections or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1976,1977],"window_volumes":[{"year":1976,"ia_identifier":"1976motionpictur3301213libr"},{"year":1977,"ia_identifier":"1977motionpictur3311213libr"},{"year":1978,"ia_identifier":""}]}]}