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 230
Fig. 329.~Cross section. … Fig. 330.—Ground-plan. pilasters. The posts between the engine-doors on the inner circle are of cast-iron, keystone-shaped,with the necessary grooves for the doors. The door-opening is spanned with an iron beam lintel.The opening is 16 ft. 6 in. high in the clear above top of rail. The wooden posts…
Railroads -- Buildings and structures · Buildings
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