. The Street railway journal . try tramways seem nowto have been overcome, and it is expected that the workof conversion will shortly be commenced. Having these facts in mind, the Genett Air Brake Com-pany of Chicago and New York, placed upon the marketits system of air brakes, which has shown itself particu-larly well adapted to the exigencies of street car service. We present on this page engravings showing the im-proved duplex system of air brakes of this company,which, for simplicity, durability and convenience corn- Gas Motors. According to a report of United States Consul Gen-eral Mason,
. The Street railway journal . try tramways seem nowto have been overcome, and it is expected that the workof conversion will shortly be commenced. Having these facts in mind, the Genett Air Brake Com-pany of Chicago and New York, placed upon the marketits system of air brakes, which has shown itself particu-larly well adapted to the exigencies of street car service. We present on this page engravings showing the im-proved duplex system of air brakes of this company,which, for simplicity, durability and convenience corn- Gas Motors. According to a report of United States Consul Gen-eral Mason, at Frankfort, Germany, a great deal of atten-tion is being paid at the present time by street railwayengineers in Europe to gas motors. Practical trials havebeen made at Neufchatel, Switzerland, and at Dresden,with satisfactory results. Neufchatel cars run at anaverage speed of eleven miles an hour, at a cost for gasof 2 9 cents per car mile, with gas at $ per 1,000 results have also been obtained at FIG. 2— BRAKE CYLINDER—GENETT SYSTEM. mends itself to street railway managers. An importantimprovement adopted in this system is the encased aircompressor (Fig. 4). The experience of electrical engi-neers in street railway work has demonstrated the desir-ability of encasing the electric motor and all movingparts located under the car. As will be seen, this ideahas been closely followed in the apparatus illustrated. 320 THE STREET RAILWAY JOURNAL. [Vol. X. No. 5. The compressor shown in Fig. 4 is just one quarter size,which makes the entire length less than twenty is double acting, is mounted directly on the axle, andis completely encased so as to entirely protect it from thedust and dirt of the street. This casing also makes theequipment entirely noiseless in its operation. The work-ing parts of this compressor run in oil so that the amountof care required is reduced to a minimum, and the corn- brake cylinder and air pump under full control
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