International Library of Technology · Scranton, International Textbook Co. · leaf 392
24 ELECTRIC RAILWAYS. 53 sketch to the posts marked 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…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 392](https://img.insideoutlibrary.com/img/1024/ia-electricengineer04inte-392-171.webp)
