. Electric railway journal . lel to the drawbars at all times. All cars have been equipped with train line receptacle coversprings. The train line jumper used to work loose, so that itwould fail to make contact and would drop to the rail. Thistrouble is now prevented by the cover springs, which will lastindefinitely because they are not subjected to tension undernormal conditions. The original motor studs broke frequently, owing to the veryshort and sharp curves and the steep grades on this have been replaced by heat-treated steel studs. Round ribbon contactor shunts have replaced
. Electric railway journal . lel to the drawbars at all times. All cars have been equipped with train line receptacle coversprings. The train line jumper used to work loose, so that itwould fail to make contact and would drop to the rail. Thistrouble is now prevented by the cover springs, which will lastindefinitely because they are not subjected to tension undernormal conditions. The original motor studs broke frequently, owing to the veryshort and sharp curves and the steep grades on this have been replaced by heat-treated steel studs. Round ribbon contactor shunts have replaced the old-stylelaminated flat ribbon shunts, the breakage of which causedtrouble with the contactors. INSPECTION FACILITIES AND RECORDS The inspection quarters at the Jersey City shops were de- June 24, 1911.] ELECTRIC RAILWAY JOURNAL. 1101 scribed in detail in Mr. Hazeltons article in the issue of May6, but it will be of interest to refer to some features which havebeen installed in connection with this work. As stated by An electric tell-tale alongside one of the inspection tracks isinstalled to catch any third-rail shoes of improper height. Thistell-tale is in circuit with a warning bell in the office of thesuperintendent of equipment. As shown in one of the accom-panying illustrations, it consists of a pair of conductors, mount-ed on six insulators, and a small scaffold from which is suspend-ed a set of copper strips similar to a gold-leaf electroscope. Ifa shoe is too high, the warning circuit will be closed when con-tact is made with the copper strips; if the shoe is too low, thewarning circuit is closed by the depression of the springs underone of the conductors. The roofs of all cars are furnished withmechanical tell-tales which indicate by the amount of theirbending how much a car tips from the vertical when passingthrough the tunnels. Contrary to the practice of most large companies, this railwaydoes not keep individual mileage records of equipment princi
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