From the Morgan Sweeney Photograph Collection (PH-00228). A-4 generator stator, 12" of laminations have been stacked and are ready for pressing in 1951.
From the Morgan Sweeney Photograph Collection (PH-00228). Placing field coils on Unit A-9 rotor, 28 coils are required for assembly and the rotor is built up from 4700 sheets in 1951.
From the Morgan Sweeney Photograph Collection (PH-00228). Unit A-4 isolated phase bus structure, installations in progress, spare transformer for Unit A-8 to left, September 17, 1951.
From the Morgan Sweeney Photograph Collection (PH-00228). Hoover Dam and Powerplant, double circuit cantilever rim tower C1 and 13Tlx, it serves A-9 and Bank "Y" May 2, 1951.