From the Morgan Sweeney Photograph Collection (PH-00228). A-4 butterfly, a valve completely assembled and tested. Weight 200 tons in December 20, 1951.
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.
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.