. The Street railway journal . int. The cars over these tracks take powerfrom an overhead wire flexibly supported from hangersplaced in the roof as described in the Street RailwayJournal for Dec. 23 and Dec. 30, 1905. On express tracks the rails are mounted directly on yellowpine blocks, to which they are attached by clips and screw spikes. These blocks are bolted to 12-in. chan-nels. The longitudinal channels are set in concrete. Onerail of each express track is reserved for block signalingand the other has Mayer & Englund Protected for elevated and subway cars operating over thes
. The Street railway journal . int. The cars over these tracks take powerfrom an overhead wire flexibly supported from hangersplaced in the roof as described in the Street RailwayJournal for Dec. 23 and Dec. 30, 1905. On express tracks the rails are mounted directly on yellowpine blocks, to which they are attached by clips and screw spikes. These blocks are bolted to 12-in. chan-nels. The longitudinal channels are set in concrete. Onerail of each express track is reserved for block signalingand the other has Mayer & Englund Protected for elevated and subway cars operating over thesetracks will be transmitted through a 70-lb. under-runningcontact rail hung from brackets bolted to the inner cut on page 276 shows the standard clearance betweenthe contact rail and column, and that on page 277 the mini-mum clearance as obtained at a double bulkhead. THE MARKET STREET ELEVATED LINE The bridge connecting the subway and elevated sectionsis 563 ft. long. It carries four tracks across the river at. k—.5?
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884