Specification No. 1599, for 4 1,000 K.W. and 2 500 K.W. turbo-alternators at U.S. Navy Yards, New York, Philadelphia, Norfolk, Mare Island, and Puget Sound, under appropriations "Navy Yard, New York, N.Y., central power plant," "Navy Yard, Philadelphia, Pa., central power plant, extension," "Navy Yard, Norfolk, Va., central power plant, to complete," "Navy Yard, Mare Island, Cal., central power plant," and "Navy Yard, Puget Sound, Wash., central power plant, extensions".