Identifier: streetrailwayrev14amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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MliASllKING TAIlHi. etc., may be obtained. The current is supplied to the car either byoverhead or by underground conductors. In the testing compart-ments various instruments have been installed, partly on a marble■•witchboard and partly on a testing lalilc, the former serving main- 810 STREET RAILWAY REVIEW. (Vol. XIV, No. lo ly for demonstrating purposes while the latter arc instruments ofprecision intended for accurate investiBations. The switchlioardcontains a main and automatic cut-out for the car circuit in addi-tion to ammeters, voltmeters and fpeed mdicators; two watt-hourmetcr.4, made by the Inion Electric Co., for measuring the energy
Text Appearing After Image:
mitted to an index moving along a scale, a pressure gage (or meas-uring the pressure in the air brake reservoir, another pressure gagefor ascertaining whether the C(im;)ressor is runnuig at no load oris compressing air, and finally a chronograph for counting seconds.Between the measuring table and the two motormens cabs therehave been provided loud-speaking telephones of theMix and Genest system. There remains to be noteda recording traction dynamometer, which is for usein pulling trail cars, and an insulation testing appa-ratus designed by Siemens & Halske. The car alsocarries a complete set of maps and plans for all thelines containing particulars as to the length of track,position of power stations, feeding points, etc. Be-sides its use for practical testing purposes, the caris made use of to instruct the heads of the operatingdepartments and especially the mechanics.

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