Buildings and structures of American railroads. A reference book for railroad managers, superintendents, master mechanics, engineers, architects, and students (1893)
Berg, Walter Gilman, 1858-1908 · New York Wiley · leaf 115
nd is dumped on the flues from overhead trestling,and the fires then started and maintained until the sand-pile has been thoroughly heated throughout.The flues are about 3 ft. wide and 40 ft. long. Alongside of each flue is a similarly built archwayunder the sand-pile, by means of which sand is…
Building · Railroads
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
