. The street railway review . This department is devoted to the construction and operation of electric railwaypower houses. Correspondence from practical men is specially invited. Both theusers and makers of power house appliances are expected to give their views andexperiences on subjects within the range of the department. The absolutely necessary switchboard inslruments, that is,voltmeters and ammeters, afford iuformatloa as to the output ofeleotiical macliixiery in the power house at any instant, andnow nearly all large roads have also installed recording watt-meters which give tlie total
. The street railway review . This department is devoted to the construction and operation of electric railwaypower houses. Correspondence from practical men is specially invited. Both theusers and makers of power house appliances are expected to give their views andexperiences on subjects within the range of the department. The absolutely necessary switchboard inslruments, that is,voltmeters and ammeters, afford iuformatloa as to the output ofeleotiical macliixiery in the power house at any instant, andnow nearly all large roads have also installed recording watt-meters which give tlie total output of the electrical it is by no means necessary to have similar records asto the powei- developed in the engine cylinders, such records areliighly desirable in order to determine the efficiency of tliemachinery. At the present time the output of the cylinder isusually computed from the electrical log after making tests todetermine what allowance should be made for engine friction,but everyone realizes th
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
