Electric Railways And Tramways Their Construction And Operation a Practical Ha
Electric Railways And Tramways Their Construction And Operation a Practical Ha
Philip Dawson
The book Electric Railways And Tramways Their Construction And Operation a Practical Ha was written by author Philip Dawson Here you can read free online of Electric Railways And Tramways Their Construction And Operation a Practical Ha book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Electric Railways And Tramways Their Construction And Operation a Practical Ha a good or bad book?
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To prevent water getting to the insulators, they are protected by metal caps shown in the section (Fig. 461). The insulators are fixed in the cast-iron boxes in such a way that after a couple of screws have been taken out, by giving the insulator half a turn, it can be removed. Figs. 454 to 460 are plans of the track ; one of these (Fig. 459) shows how, where the streets are paved with setts, the top of the yokes are protected by cast-iron caps. Figs. 461 to 463 are sections and plan of a drain...age pit and manhole. These are put in every 40 metres (approximately 131 ft. ), and connected to the drains. A trap is arranged so as not to allow water to flow back from the drains into the conduit, a pit being also provided to collect the mud. This conduit is one of the best and most recent examples of European work, besides which it embodies all that American practice has shown to be most essential in such work. For English practice some modifications would, 478 Electric Railways and Tramways.
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