LAWS OF MOTION
xplain the theory of Newton's three laws of motion— the phenomena of momentum and inertia, the concept of acceleration, and the theory of reciprocal attraction of all bodies. Shows everyday applications of these laws. Credits: Associate producer, Milan Herzog; collaborator, O. W. Eshbach. Kodachrome
Registration MP3341 No renewal found
- Term began
- 1952-10-23
- Claimant
- Encyclopaedia Britannica Films, inc
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- no renewal entry found for 1979-1981 or in the Copyright Office renewal records 1978-2025
- In the public domain since
- 1 January 1981 (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 1979 or 1980 volume; volumes searched: 1979, 1980, 1981.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1953, Internet Archive catalogofcopyrig371213lib (OCR text), lines 10395–10405.
Summary: Simple experiments explain the theory of Newton's three laws of motion— the phenomena of momentum and inertia, the concept of acceleration, and the theory of reciprocal attraction of all bodies. Shows everyday applications of these laws. Credits: Associate producer, Milan Her- zog; collaborator, O. W. Eshbach. Koda- chrome. © Encyclopaedia Britannica Films, inc.; 230ct52; MP3341.
Copies on the Internet Archive
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