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The Westinghouse Brake 125 exacting tests which could be conceived. The train was driven up and down the slopes, and at frequent intervals the driver was ordered to pull up. Never once did the brakes fail, even upon the steepest sections; and the short distance in which the train could be brought from full speed to a standstill astonished those who were on board. The Pennsylvania Railway then sent a longer train of ten vehicles to Pittsburg to be fitted out with brakes, with the intimation that this train was sub- sequently to proceed to Philadelphia in order to enable demonstrations and trials to be carried out to convince the directors of the railway that a suc- cessful braking system for trains had been evolved and brought to practical perfection. These trials were of far-reaching importance to the inventor. He had interviewed many of the most prominent railwaymen in the country, and had endeavoured to persuade them to embrace his idea before the sensational test upon the Panhandle Rail- way, but they had manifested only a lukewarm interest in the scheme. Now they were invited by the directors of the Pennsylvania Railway to come to Philadelphia and to judge of its suitability upon the spot with a typical train. Needless to say, full avail was taken of this invitation, and among those whom it attracted was the general superintendent of the Chicago and North-Western Railway. He hurried to Philadelphia, saw, and was convinced to such a decisive degree that he asked the Philadelphia Com- pany to send a train fitted with this brake to Chicago, when he would arrange trials to which the leading railway officials of the Middle West would be invited,