From the Morgan Sweeney Photograph Collection (PH-00228). Generator Unit A-9, there are three sections of stator, complete with laminations and coils, assembled on generator floor on July 13, 1951.
An image of power generators at Hoover Dam. Caption on image reads: "Interior of powerhouse at Boulder Dam, with six 115,000-H.P generators installed. Service Bureau photo." Boulder Dam was officially renamed Hoover Dam in 1947.