. Electric railway journal . sit or misinterpret it. An east bound train also makes contact witha distant and home rail. The inferior traintakes the siding, and when it is in the clear thedispatcher changes the signal in the cab of thesuperior train from red to green. After the superior train has left, the dispatcher reversesthe control lever for that siding, and the infe-rior train then receives a clear signal as soon asits contact shoe touches the ramp. There is no occasion to change the signal untilthe next block is approached, for the dispatchersinterlock makes lap orders impossible. The c
. Electric railway journal . sit or misinterpret it. An east bound train also makes contact witha distant and home rail. The inferior traintakes the siding, and when it is in the clear thedispatcher changes the signal in the cab of thesuperior train from red to green. After the superior train has left, the dispatcher reversesthe control lever for that siding, and the infe-rior train then receives a clear signal as soon asits contact shoe touches the ramp. There is no occasion to change the signal untilthe next block is approached, for the dispatchersinterlock makes lap orders impossible. The cabsignal remains green and the motorman knowshe has right of way. We may also add thatonly one wire is necessary for all four contactrails. Positive current signals the east bound andnegative current the west bount train. Simmen Automatic Railway Signal Co. 1575 Niagara Street Buffalo, N. Y. Pacific Coast Representative—W. H. CRAWFORD, 609 Spalding Building, Portland, Oregon. m m m [July 1, 1916 ELECTRIC RAILWAY JOURNAL 13. This SwitchPays for itself—threetimes a year COLLINS Non-SplittingElectric Track Switch Since the Rochester lines of theNew York State Railways in-stalled this Collins non-splitting,non-splashing electric trackswitch it has paid for itself eachthree months according to anarticle by Mr. C. L. Cadle, Elec-trical Engineer, in the ElectricRailwav Journal of April 15,1916. That speaks well for theeconomy of this switch, but ofequal importance are the par-ticular services they have re- ceived from this particular typeof switch. They have a switch that can-not be thrown between the trucksof a car by a following movementunder the contactor. —they have a switch that can-not splash mud and water; thathas a most positive anti-strad-dling device; that is automaticallysealed; that cannot be damagedby car standing under contactor. Let us send you particularsshowing the ease of installation,inspection and maintenance.
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