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“Explains how an atomic powered submarine operates. Includes scenes at the Knolls Atomic Power Laboratory in Schenectady and the submarine reactor test site at West Milton, New York.”
Public domain film from the National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and equalization (the resulting sound, though not perfect, is far less noisy than the original).
via Nuclear Navy: “The Atom Goes to Sea” 1954 General Electric 12min – YouTube.