IRRATIONAL NUMBERS
THE INVISIBLE TERROR. SEE JET JACK- SON, THE FLYING COMMANDO, 2)). TRON CURTAIN. SEE STEVE CANYON, 9228. THE TRON MOUNTAIN. SEE WHIRLYBIRDS, IRRATIONAL NUMBERS. McGraw-Hill Book Co. 24 min., sd., b&w, 16 mn
Registration MP9507 Uncertain
- Term began
- not parsed
- Claimant
- McGraw-Hill Book Co
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- no registration date parsed from the catalog entry
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, Third Series, Parts 12–13: Motion Pictures, 1959, Internet Archive catalogofcopyrig3131213li (OCR text), lines 6474–6488.
THE INVISIBLE TERROR. SEE JET JACK- SON, THE FLYING COMMANDO, 2)). TRON CURTAIN. SEE STEVE CANYON, 9228. THE TRON MOUNTAIN. SEE WHIRLYBIRDS, 28. IRRATIONAL NUMBERS. McGraw-Hill Book Co. 24 min., sd., b&w, 16 mn. © McGraw-Hill Book Co., Inc.3 eMar59; MP9507.
Copies on the Internet Archive
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