{"e":{"id":285140,"source":"ia_catalogofcopyri331213libr","title":"ENERGY IN OUR RIVERS","header":"w, 16mm. Summary: Shows how natural waterfalls and man-made dams have made possible numerous hydro-electric projects in North America. A simplified cross-section diagram of a power plant is used to explain the function of turbines, generators, etc. Credits; Educational collaborator, Thomas F. Barton","year":1948,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":4067,"line_end":4085,"source_text":"1948. 10 min., sd., b&w, 16mm. \n\nSummary: Shows how natural water- \nfalls and man-made dams have made \npossible numerous hydro-electric \nprojects in North America. A simpli- \nfied cross-section diagram of a power \nplant is used to explain the function of \nturbines, generators, etc. \n\n\n10 \n\n\nCredits; Educational collaborator, \n\n\nThomas F. Barton. \n© David A. Smart; 17Nov48; MP3710. ","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":[]},"regs":[{"id":304047,"entry_id":285140,"reg_number":"MP3710","series":3,"see_also":[],"reg_class":"MP","published":true,"claimant":"David A. Smart","author":null,"deposit":null,"reg_date":"1948-11-17","part":null,"part_title":null,"source_line":4085,"raw":"lectric projects in North America. A simplified cross-section diagram of a power plant is used to explain the function of turbines, generators, etc. Credits; Educational collaborator, Thomas F. Barton © David A. Smart; 17Nov48; MP3710","flags":[],"status":"no-renewal-found","pd_date":"1977-01-01","reason":"no renewal entry found for 1975-1977 in the CCE motion-picture renewal sections","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1975,1976],"window_volumes":[{"year":1975,"ia_identifier":"catalogofcopyrig3291213libr"},{"year":1976,"ia_identifier":"1976motionpictur3301213libr"},{"year":1977,"ia_identifier":"1977motionpictur3311213libr"}]}]}