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 163
and grooved boards nailed betweenthe wrought-iron Lbeam floor-joists under thefalse floor. The tub is bound by 14 wrought-iron hoops, 31 in. X ^^ in. The roof is octag-onal, formed of 4-in. X 6-in. rafters, 3-in. X 4-in. nailers, and 4-in. X 7-in. tie-beams, held to thepeak of the roof with a ^-in.…
Building · Railroads
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
