HOW WE GET OUR POWER
comes from nature and that man has learned how to put it to use. Surveys the major sources of power—wind water, fuels, explosives, and the atom— and some of the applications of each. For upper elementary and junior-senior high school social studies and science classes. Credits: Author, Laszlo Ormos
Registration MP3832 No renewal found
- Term began
- 1948-12-30
- Claimant
- Lillian Malcove Ormos
- 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, 1949, Internet Archive catalogofcopyri331213libr (OCR text), lines 5639–5651.
comes from nature and that man has learned how to put it to use. Surveys the major sources of power—wind water, fuels, explosives, and the atom— and some of the applications of each. For upper elementary and junior-senior high school social studies and science classes. Credits: Author, Laszlo Ormos. © Lillian Malcove Ormos; 30Dec48; MP3832.
Copies on the Internet Archive
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