INTRODUCTION TO PHYSICS
ions of physics—mechanics, heat, light, sound, and electricity— and their relation to one another. Illustrates important concepts of physics and shows how they can be applied to the understanding of everyday problems. For high school, and adult groups. Credits: Educational collaborator, Ira Ce Davis
Registration MP5071 No renewal found
- Term began
- 1949-11-23
- Claimant
- David A. Smart
- Class
- MP — published motion picture other than a photoplay (numbering series begun 1946)
- Finding
- no renewal entry found for 1976-1978 in the CCE motion-picture renewal sections or in the Copyright Office renewal records 1978-2025
- In the public domain since
- 1 January 1978 (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 1976 or 1977 volume; volumes searched: 1976, 1977, 1978.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1950, Internet Archive catalogofcopyri341213libr (OCR text), lines 8452–8467.
Summary: Shows the main divisions of physics—mechanics, heat, light, sound, and electricity— and their relation to one another. Illustrates important concepts of physics and shows how they can be ap- plied to the understanding of everyday problems. For high school, and adult groups. Credits: Educational collaborator, Ira Ce Davis. : © David A. Smart; 23Nov49; MP5071 INVASION ON THE LAKE. SEE Rapture.
Copies on the Internet Archive
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