INTRODUCTION TO ELECTRICITY
CITY. Coronet, 1948, 11 min., sd., b&w.,. 16mm. Summary: A 13 year-old boy and his sister conduct simple experiments at home with static electricity and visit a power house where the engineer demonstrates the use of circuit testers, electromagnets, and generators. Credits: Collaborator, Ira C. Davis
Registration MP3117 No renewal found
- Term began
- 1948-02-26
- Claimant
- Coronet Instructional Films, a division of Esquire, Inc
- Class
- MP — published motion picture other than a photoplay (numbering series begun 1946)
- Finding
- no renewal entry found for 1975-1977 in the CCE motion-picture renewal sections
- In the public domain since
- 1 January 1977 (end of the 28th year, no renewal)
A renewal would have appeared in the Copyright Office's renewal registrations 27 to 29 years after the term began. Those volumes are loaded and no matching renewal was found. A work published 1931–1963 that was not renewed entered the public domain at the end of its 28th year.
A renewal had to be filed in the 28th year and would be listed in the 1975 or 1976 volume; volumes searched: 1975, 1976, 1977.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1948, Internet Archive catalogofcopyrig321213lib (OCR text), lines 5409–5424.
INTRODUCTION TO ELECTRICITY. Cor- onet, 1948, 11 min., sd., b&w.,. 16mm. Summary: A 13 year-old boy and his sister conduct simple experiments at home with static electricity and visit a power house where the engineer demon- strates the use of circuit testers, elec- tromagnets, and generators. Credits: Collaborator, Ira C. Davis. © Coronet Instructional Films, a division of Esquire, Inc.; 26Feb48; MP3117,
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