Machinery Hall Machinery Hall-South Avenue from east end 1 silver albumen print; 33 x 41 cm. Mounted on backing board. Titles on labels: Machinery Hall, and, Machinery Hall, S. Avenue. Exhibit titles: Krupp, Fried., Essen, Exhibit #49; Schlickeysen, C., Berlin, Exhibit #4; Hardy Patent Pick Co., (Limited), Sheffield, Exhibit #5; National Tube Works Co., Boston, Mass., Exhibit #825; Gadd, Thomas, Manchester, Exhibit #28; Cooper, Jones, & Cadbury, Philadelphia, Pa., Exhibit #834; Wood, R. D., & Co., Philadelphia, Pa., Exhibit #831. Interior of Machinery Hall, view of South Avenue looking west. In the forefront are two Krupp's guns. Arrangement of flags suspended from ceiling.