Buildings and structures of American railroads. A reference book for railroad managers, superintendents, master mechanics, engineers, architects, and students (1893)
Berg, Walter G. (Walter Gilman), 1858-1908 · New York, J. Wiley & Sons · leaf 117
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…
Railroads -- Buildings and structures · Buildings
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