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 267
iine, two pieces,3-in. X lo-in., tie-beams; two pieces, 3-in. X lo-in., rafters; struts and ties, 2-in. hemlock, from 10 in. to12 in. wide, and 3-in. X lo-in. hemlock purlins. The side-trusses are tied across the track-well wutha 4-in. X lo-in. white-pine tie-beam, and the projecting parts of the… … m M V &_ W^|!(i!Pl 9:0 ..=« »o JLiJ!...... ^.o-,.. Fig. 391.—Longitudinal Section.
Building · Railroads
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