. The street railway review . TESTING CAR AT BALTIMORE. One of the most completely appointed electric cars for makingvarious kinds of tests and records that has ever come to our atten-tion, has been built at the shops of the United Railways & ElectricCo., of Baltimore. Md. In addition to its use as an ordinary officecar. it i« fitted with instruments and facilities for doing a varied plot curves, make records, etc. In addition there is a folding tablethat can be set up at any place in the car. lor wliich purpose socketsare provided at each locker as shown. One of the most important details of
. The street railway review . TESTING CAR AT BALTIMORE. One of the most completely appointed electric cars for makingvarious kinds of tests and records that has ever come to our atten-tion, has been built at the shops of the United Railways & ElectricCo., of Baltimore. Md. In addition to its use as an ordinary officecar. it i« fitted with instruments and facilities for doing a varied plot curves, make records, etc. In addition there is a folding tablethat can be set up at any place in the car. lor wliich purpose socketsare provided at each locker as shown. One of the most important details of the car is the scheme forbringing to one convenient point in the interior, the terminals of thedifferent circuits used in carrying on various tests. From the dia-gram Fig 2. the scheme of wiring will be FIG. 1-IXTERlOR OF TESTING CAR, UNITED RAILWAYS i ELECTRIC CO., HALTIMORE. assortment of things, among which may be mentioned: Testingthe voltage of trolley or feeders at any point on the line; testingdrop or losses in the return circuit; determining resistances of singlejoints or sections of track; determining differences in potential be-tween rails and neighboring pipes and mains at any point; testingout the electrical equipment of other cars without removing any ofthe parts; making speed and distance tests and records; determininggrades on any section of track and plotting profiles; and making The car is provided with four regulation car resistance boxes car-ried under the floor, and the terminals from these are brought to asmall switchboard placed in one of the lockers. Four ordinaryhood or canopy switches are so mounted on this board as to worksimtdtaneously, the handles being connected as shown in Fig. 4,so that all four switches are thrown in cither direction by one move-ment o
Size: 2048px × 1220px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
