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Linda Kay Willis (born July 20, 1949) was a close witness during the assassination of United States President John F. Kennedy.. When the assassination started, she was located to the left of President Kennedy's presidential limousine on the south side of Elm Street, directly in front of the Texas School Book Depository.
This motion is critical to the use of film in a movie camera or movie projector. This is in contrast to a continuous mechanism, whereby the film is constantly in motion and the image is held steady by optical or electronic methods. The reason the intermittent mechanism "works" for the viewer is because of a phenomenon called persistence of vision.
Unlike other projectors of its hi-power kind, the DP70 did not offer forced-air cooling of the film itself, which is known to be a key feature to prevent overheating of the film and the major nitrate-fire prevention measure. A water cooled pre-shield just assists in keeping the gate and metal parts cold, not the film. [10]
Frame 150 from the Zapruder film. Kennedy's limousine has just turned onto Elm Street, moments before the first shot. The Zapruder film is a silent 8mm color motion picture sequence shot by Abraham Zapruder with a Bell & Howell home-movie camera, as United States President John F. Kennedy's motorcade passed through Dealey Plaza in Dallas, Texas, on November 22, 1963.
35 mm movie projector in operation Bill Hammack explains how a film projector works. A movie projector (or film projector) is an opto-mechanical device for displaying motion picture film by projecting it onto a screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.
Vitascope was an early film projector first demonstrated in 1895 by Charles Francis Jenkins and Thomas Armat. They had made modifications to Jenkins' patented Phantoscope, which cast images via film and electric light onto a wall or screen. The Vitascope is a large electrically-powered projector that uses light to cast images.
The lenses of the projector can be automatically rotated in front of the projector light aperture to accommodate the correct lens for a given format. The picture to the right shows a semi-automatic system using vertical spools that can hold an entire movie, however these are not the continuous loop projection systems and the film will need to ...
The Nix film was obtained as a result of a notice that the FBI gave to film processing plants in the Dallas area, that the FBI would be interested in obtaining or knowing about any film they processed relating to the assassination. When Nix heard about this from his processor, he delivered the film to the FBI office in Dallas on December 1, 1963.
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