THE LANGUAGE OF GRAPHS
mmary: Using a typical real-life situation as a basis, this film teaches high = school students the form, uses, and advantages of the graph as a means of communicating mathematical concepts. Four types are shown: the line, bar, circle, and equation graphs. Credits; Collaborator, H. C. Christofferson
Registration MP3274 No renewal found
- Term began
- 1948-03-04
- 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 23106–23126.
Summary: Using a typical real-life situation as a basis, this film teaches high 66 = school students the form, uses, and ad- vantages of the graph as a means of com- municating mathematical concepts. Four types are shown: the line, bar, circle, and equation graphs. Credits; Collaborator, H. C. Christoffer- son, © Coronet Instructional Films, a division of Esquire, Inc.; 4Mar48; MP3274,
Copies on the Internet Archive
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