Documents / FOIA release
This FBI file section collects Bureau correspondence on flying discs from 1947 to 1950. It includes a Portland field office memo on police officers who saw a silvery object over the city on September 11, 1947, and letters from citizens with sightings, theories and questions, along with Hoover's form replies. There is also a Chicago memo about a letter describing a secret saucer bomber, and a Louisville report on Al Hixenbaugh's June 1950 film of a disk. Other items include a Yuba City informant's drawings of a supposed Russian saucer and a note on Donald Keyhoe's book.
“Nevers”3 pages
where the jets are formed in I or not from use it, out so will save that to you the drawings I sent in sat. with the jet re 0.14. That is the jet - but some of the centrifugal powers mechanism is wrong in design . . . had two or three sets of drawings and this copy I am sending you are plain and I chive better drawing 0. I'm drawing #2 when turn buckets are housed on cables - they are shortened or lengthened to suit his as the weights fly or pull outward - the weights must pull the able straight out or up and down - see no height in the line olding the weights - line must be straight when engines are in rotation and of high speed allowing everything else is in proportion 0.
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FOIA release, from the fbi-vault collection. 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. 84 pages are in the text index: search them above, or from the library's search.