. The Street railway journal . quent testing. Tothis end this work presents such tests as can be undertaken withoutelaborate or expensive instruments. Part 1 is devoted to fundamentaiand preliminary conceptions. Part 2 treats of the testing and use ofinstruments, taking up Ohms law, measurement of current, E. M. F.,resistance and insulation. Part 3 constitutes the body of the book, andtakes up in detail the shop and road tests of dynamos and motors, in-cluding the familiar heat test, pumping back, compounding, efficiencytest, etc., etc. The series, shunt and compound-wound machines aretaken in
. The Street railway journal . quent testing. Tothis end this work presents such tests as can be undertaken withoutelaborate or expensive instruments. Part 1 is devoted to fundamentaiand preliminary conceptions. Part 2 treats of the testing and use ofinstruments, taking up Ohms law, measurement of current, E. M. F.,resistance and insulation. Part 3 constitutes the body of the book, andtakes up in detail the shop and road tests of dynamos and motors, in-cluding the familiar heat test, pumping back, compounding, efficiencytest, etc., etc. The series, shunt and compound-wound machines aretaken in order, and the circumstances under which they can be operatedconsidered. A chapter is added on locating faults and grounds, whichwil be of particular service to the lighting station and street railwayoperator. Copies of this or any other street railway book published will be sent bymail, postage prepaid, to any address in the world, on receipt of price. MCGRAW PUBLISHING COMPANY, BOOH DEPARTMENT. 114 LIBERTY STREET, NEW YOU GArS USB A HOSE to clean EXPANDED METAL LOCHERS WITHOUT THE LEAST INJURY RESULTING No material used for building LOCKERS is as strong or as durableas EXPANDED METAL. Its really sheet steel cut and openedinto diamond shaped meshes without being jointed or interwovenOur booklet gives 30U reasons why they should be placed in thecar houses as well as in general offices. Write MERRITT Sc OO. 1124 Ridge Ave. Philadelphia
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
