International Library of Technology · Scranton, International Textbook Co. · leaf 99
above it gives very satisfactory service andits use is rapidly extending. For example, elevated trainsin New York, Chicago, and Boston are operated by meansof the third rail. 12. Fig. 6 shows a third-rail construction used on theNantasket Beach and East Weymouth Road. The thirdrail r is, in this… … Fig. 0. Electrical continuity betAveen the rails is secured by fasten-ing them together by copper bonds. In the later styles ofthird-rail equipment, which will be described more fullywhen track construction is taken up, porcelain or graniteinsulators are used for supporting the rail. The shoe s,…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 99](https://img.insideoutlibrary.com/img/1024/ia-electricengineer04inte-99-34.webp)
