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This Project Blue Book file, released through The Black Vault, collects US Air Force records from 1950 to 1959 on the movie film Nicholas Mariana shot at Great Falls, Montana on 15 August 1950. It includes the OSI interview report, letters about borrowing and copying the film, and a 1956 Douglas Aircraft analysis. Blue Book's own findings were not consistent: one letter lists the cause as unknown, while later memos conclude the objects were probably two F-94 jets.
“UFO Files”2 pages
The following is an outline of the procedures executed to obtain the finished product of 8 x 10 glossy paper photographic prints. 1. Original film was 16 mm notion picture Kodachrome film. 2. This film was enlarged in a Liotz Focomat Enlarger onto 4 x 5 Panchromatic cut film. This film was processed by normal methods in Eastman D-76 developer. 3. These 4 x 5 cut film negatives were then enlarged in a Omega D-2 Enlarger onto 8 x 10 projection printing paper. The degree of enlargement in all cases is held constant. Development times for the intermediate negatives and the projection prints are held as constant as possible. The finished prints have a grainy appearance due to the extreme enlargement of the original 16 mm film. The mark at the left top of the print is the image of dirt in the film gate of the motion picture camera used to take the original photographs.
Document, cited by the archive. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 114 pages are in the text index: search them above, or from the library's search.