[Halftones from photographs of the U.S. Patent Office Building in An account of the destruction by fire of the north and
Walker, Lewis E. (Lewis Emory)[Halftones from photographs of the U.S. Patent Office Building in An account of the destruction by fire of the north and west halls of the model room in the United States Patent Office Building, on the 24th of September, 1877]. Frontispiece.: View of the U.S. Patent Office Building, from corner of Ninth and G Streets, showing portions destroyed by fire, September 24, 1877. Halftone. 28 x 19 cm.