This primary source comes from the Records of the National Archives and Records Administration.
National Archives Identifier:
6922225Full Citation: Rotating Press for Printing the First Paper Copy; 4/13/1976; Records of the National Archives and Records Administration, Record Group 64. [Online Version, https://www.docsteach.org/documents/document/rotating-press-for-printing-the-first-paper-copy, April 19, 2024]