Marine engines made by Detroit Shipbuilding Co., two triples and a quadruple

Photograph shows the Orleans Street yard of the Detroit Shipbuilding Corporation, Detroit, Michigan. (Source: researcher W. Worden, 2017)
Title from Detroit, Catalogue J Supplement (1901-1906).
"G 86" and "two triples: 18 x 29 x 48/40: 18 x 29 x 48/36; one quadruple: 19 x 29 1/2 x 40 x 58/42; Detroit Shipbuilding Co., July 13 1901" on negative.
Detroit Publishing Co. no. 013652.
Gift; State Historical Society of Colorado; 1949.