PROBLEMS OF FLIGHT
Problems of flight.
Registration MP14211 Uncertain
- Term began
- 1941-06-12
- Claimant
- Erpi classroom films, inc.
- Class
- MP — published motion picture other than a photoplay (numbering series begun Sept. 1928)
- Finding
- registration number MP14211 does not fit the numbering of 1941; the catalog date or number is likely misprinted
The catalog entry has a problem (missing date, or a number that does not fit its year), so the renewal check cannot be relied on.
Catalog entry
Catalog of Copyright Entries, New Series, Part 1 Group 3: Dramatic Compositions, Motion Pictures, 1943, Internet Archive catalogofcopyrig161libr (OCR text), lines 31791–31796.
Principles of radio - pt. 1. See Sending radio messages. Problems of flight. © June 12, 1941; M 14211; Erpi classroom films, inc., New York. 5476
Copies on the Internet Archive
Not searched yet.