View of Detroit Fire Department engine house (Engine Company #4) on 6th Street and Baker. Large building with watchtower, fire engine protruding from open station doors. Handwritten on back: "Engine Co. no. 4, 6th St. and Baker, Engine 8, Det. F.D." Stamped on back: "H.P. Callahan, 6435 Lincoln Ave." Lower left corner torn away.