. The street railway review . achines, as well as the armaturetesting room have been described in detail in previous numbers ofthe Review. The standard roadbed construction of the Chicago City Ry. con-sist of 7 3-16-in. Johnson 85-lb. girder rails laid on 5 x 8 in. x 7 oak ties which are laid in slag, as shown in the cross is, of course, a great deal of track laid with rails of othersections, but the 7 3-16-in. girder is used in new work. .■\11 joints are cast-welded by the Falk process, the company hav-ing a welding plant and doing its own work. The first cast-weldjoint
. The street railway review . achines, as well as the armaturetesting room have been described in detail in previous numbers ofthe Review. The standard roadbed construction of the Chicago City Ry. con-sist of 7 3-16-in. Johnson 85-lb. girder rails laid on 5 x 8 in. x 7 oak ties which are laid in slag, as shown in the cross is, of course, a great deal of track laid with rails of othersections, but the 7 3-16-in. girder is used in new work. .■\11 joints are cast-welded by the Falk process, the company hav-ing a welding plant and doing its own work. The first cast-weldjoints were made in 1895; at the present time there are over 33,000welded joints on the system. The breakage of these joints has beenabout one-half of one per cent per year and is growing less eachyear, which is taken to be an indication that defective casting hasbeen the cause of the failures. The percentage of breakage hasbeen less in unpaved than in paved streets. The accompanying engraving is reproduccl frnm a series of pho-. LAM-WKLIlEl) Joi:\l> .\.Mi .NKJLliS. CITY H\ . Oct. is, i8;<). STREET RAILWAY REVIEW. 653 No. 8<J 10 11*12* • I IAST-wi;i,iii,ii tiiicACf) iirv hv. Nmnber oilSv-t) in (Jroove () ill Rd. Hot. (Jrocive (i in Coinl). 4. 7 ill Coinl). 7 6 in Comb. 7-) ill Comb. 4.;-> in T S in Jumbo .^ ill
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
