Lecture Room and Catlin Exhibit, U.S. National Museum, by Unknown, c. 1890, Smithsonian Archives - History Div, The Lecture Room in the West North Range of the United States National Museum building (now the Arts and Industries Building). In this view, looking west, the George Catlin gallery of Indian paintings can be seen on the walls. The room was used for lectures from 1882 to 1901..