View of room with ductwork overhead, Main Library, Detroit Public Library during construction. Tools and construction equipment in room. Printed on front: "No. [blank]. Taken 12/18/19. Det. Public Library bldg. Ducks [sic] covered & sewed. Cass Gilbert, architects. Geo. A. Fuller Co., builders. 32670." Stamped on back: "Manning Bros., commercial photographers, 504-505 Lincoln building. Corner State and Park Sts. Detroit, Mich."