. Electric railway journal . ew cars, they ought to come from the com-mission or from the executive officers of the municipality. Itwas perhaps enough for the company to say that it was everready and willing to meet the traffic requirements provided thecity would widen streets, increase the number of streets, changebridges and other structures as required. On May 11 the commission considered Mr. Swenssons re-port and Mr. Callerys answer thereto. An early recommenda-tion is exnccted. May 14, 1910.] ELECTRIC RAILWAY JOURNAL. 877 DERAILS IN PAVED STREETS The accompanying illustrations show the ap
. Electric railway journal . ew cars, they ought to come from the com-mission or from the executive officers of the municipality. Itwas perhaps enough for the company to say that it was everready and willing to meet the traffic requirements provided thecity would widen streets, increase the number of streets, changebridges and other structures as required. On May 11 the commission considered Mr. Swenssons re-port and Mr. Callerys answer thereto. An early recommenda-tion is exnccted. May 14, 1910.] ELECTRIC RAILWAY JOURNAL. 877 DERAILS IN PAVED STREETS The accompanying illustrations show the application of theHayes model A, size 5, derails to a paved street in Athens, Pa.,where the Waverly, Sayre & Athens Traction Companys trackscross the Lehigh Valley Railroad. One of these views showsthe derail in the open position, or off the rail, while the othershows it in the closed position or on the rail. This derail consists of only two pieces. The derail blockmoves up, over and down onto the rail, being guided by the. Derail in Closed Position on the Rail pins moving in the cam grooves of the guide box. There areno cranks, bolts, nuts, cotter pins or other loose pieces and thederail is simple track material rather than a complicatedmechanism. When the derail block is on the rail the verticalthrust of a wheel is taken by the rail itself. The thrust atright angles to the rail is taken by the two seats against whichthe lower front sides of the block rest and the block cannotleave the rail except by rising an inch above it; the weight ofthe wheel prevents this and the block is therefore locked on the
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
