. Electric railway journal . means of the current-limit acceleration, but pre-venting too rapid accelera-tion of the motor underlight loads. The controllerconsists of a number oflarge magnetic contactors,the first of which isequipped with a powerfulblowout and arcing acceleration is accom-plished by means of a mas-ter solenoid at the left ofthe panel, which upon clos-ing energizes the coil of thelarge magnetic contactorssuccessively, thereby clos-ing the switches and bring-ing the motor up to acceleration of themaster solenoid is retardedby means of an air dash pot, and i
. Electric railway journal . means of the current-limit acceleration, but pre-venting too rapid accelera-tion of the motor underlight loads. The controllerconsists of a number oflarge magnetic contactors,the first of which isequipped with a powerfulblowout and arcing acceleration is accom-plished by means of a mas-ter solenoid at the left ofthe panel, which upon clos-ing energizes the coil of thelarge magnetic contactorssuccessively, thereby clos-ing the switches and bring-ing the motor up to acceleration of themaster solenoid is retardedby means of an air dash pot, and in addition by a brak-ing magnet, which in turn is controlled by a current limitrelay at the center of the panel. When the current inthe motor exceeds a predetermined amount, the mastersolenoid is prevented from operating until the currentis reduced to the amount for which it is set. On thecontroller illustrated, magnetic switches with blowoutsare provided for both sides of the line and each areequipped with overload AUTOMATIC CONTROLLER FORLARGE MOTORS Metal Tickets for Registration of AllClasses 01 Fares The metal ticket is a recent refinement in the regis-tering fare box system of fare collection. When it isused in conjunction with the familiar clock register, this system plus themetal ticket makespossible the com-plete application ofthe double-check sys-tem, which has beenquite generally ac-cepted as an efficientone on a large num-ber of importantproperties. On thoseproperties where thethe ticket fares rep-resent a large pro-portion of the total,in certain instancesas high as 86 percent and even 96 percent, the registeringof tickets is a veryimportant considera-tion since this, and the release of tickets for re-sale bythe conductors, accomplished pronounced economies inthe accounting department and place an additional safe-guard around each fare.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
