. The street railway review . I.—MAIN POST ductd without disturbing iheni in any way. It will benoticed no yokes are used; the consisting of verti-cal metal posts, one under each wheel rail and Fig. i,large posts directly beneath the slot opc^iing. Steel gir-ders of I beams extend across the backJ~ i from one main post to the other, and to Iv them are securely bolted the slot rails, while steel covering plates rest upon theI beams and form a roof to the conduit,and carry the paving, which as shown inthe illustration may be either granite orasphalt. The posts are of cast iron andrest on
. The street railway review . I.—MAIN POST ductd without disturbing iheni in any way. It will benoticed no yokes are used; the consisting of verti-cal metal posts, one under each wheel rail and Fig. i,large posts directly beneath the slot opc^iing. Steel gir-ders of I beams extend across the backJ~ i from one main post to the other, and to Iv them are securely bolted the slot rails, while steel covering plates rest upon theI beams and form a roof to the conduit,and carry the paving, which as shown inthe illustration may be either granite orasphalt. The posts are of cast iron andrest on a bed plate set in concrete. The side walls which extend on bothsides in line with the posts carrying theoutside rail, may be either of iron plate,as shown in Fig. 3, or bricked up if pre-ferred. In Fig. 4 is shown a side view,with a line of main posts, one of whichsupports the carrjing pulle\. Thesemain posts are designed to be set from 9to 12 feet apart, according to the neces-sities of the case. As the conduit maybe mad
Size: 1140px × 2193px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
