. Electric railway journal . The development ofmodern car service hasbeen contingent upon theability of the electricalmanufacturer to embodyever-better qualities inmotor, control and brakeequipment. For example, in thedevelopment of GeneralElectric motors, the corn-mutating pole, the self-ventilation, the tap field,the higher speed and thelower weight must notbe regarded in the lightof mere technical im-provements, but as ourresponse to the modernservice needs of the elec-tric railway 108 ELECTRIC RAILWAY JOURNAL [SEPTEMBER 30, 1916

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