File:A textbook on electric lighting and railways. International correspondence schools, Scranton, Pa. v. 1-3, 5 (1901) (14758235321).jpg

Identifier: textbookonelectr03inte (find matches)
Title: A textbook on electric lighting and railways. International correspondence schools, Scranton, Pa. v. 1-3, 5
Year: 1901 (1900s)
Authors: International Correspondence Schools
Subjects: Electric engineering Electric lighting Electric railroads
Publisher: Scranton, International Textbook co.
Contributing Library: Northeastern University, Snell Library
Digitizing Sponsor: Northeastern University, Snell Library

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^, along the R^ car wire to post R^ at the left, throughthe blow-out coil M-X-13-H-0-F^+ -F^+ -F^-\-, throughthe No. 1 motor field, /^,--F,--/^^--.i,-f-.-/,-f-.4,-f, through the No. 1 motor armature, A^ A^ 15-16, to post R^; thence on the R^ car wire to the R^ post on thepositive end of the small starting coil, through this coil andout at R^ to finger R.-c-c-S-6-b„-b-7-17-18-l:2-ll-F^^ - F^-\—/%+, through the No. 2 motor field, out at F^ F^ F^ A^ A^ A„~, through the No. 3 motor arma-ture, out at A^-\-, directly to the ground wire at G. 56. The two dotted circles in the diagram of theNo. 2 motor indicate the fact that the motor is turned endfor end, so that its commutator cannot be seen from thesame end as can that of the No. 1 motor, whose commutatoroutline is, therefore, indicated by the full-line circles. In Fig. 38, only one controller is shown connected up. Toconnect up the other one, it is only necessary to connect thebroken-ended wires in the lower right-hand corner of the
Text Appearing After Image:
24 ELECTRIC RAILWAYS. 53 sketch to the posts niarkeil the same as these wires are ontheir ends. 57. Fig. 39 shows the combinations effected by the28A controller. The fourth and seventh are the runningnotches. In this controller it will be noted that the resist-ance is made up into two parts, one of which, K^ to R^, isconnected, on the first notch, in circuit ahead of the No. 1 s^^mmwrnm—^l^W^-^O^ Rl «- Ji3 ^mr-O Rl Ks Its CWJM>

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