Railroad Signaling 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024


Railroad Signaling

简体网页||繁体网页
Brian Soloman 作者
MBI
译者
2003-09 出版日期
160 页数
USD 36.95 价格
Hardcover
丛书系列
9780760313602 图书编码

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发表于2024-11-11


Railroad Signaling 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2024

Railroad Signaling 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2024

Railroad Signaling 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024



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Railroad Signaling 在线电子书 图书描述

This complete and illustrated guide to railroad signaling in the U.S. simplifies and presents the utterly bewildering array of mechanisms, procedures, and rules that have evolved since the 1830s to promote safety, impose control, and disseminate information on America's railways. In addition to providing a brief history of North American signaling from the nineteenth century onward, Brian Solomon provides photos of equipment and explanations of not only how it works, but how it is used and what it all means. Solomon also explains how trains on the same route are given "precedence" or placed in pecking orders and how routes are broken down into digestible segments called "blocks" that help dictate the speed and manner in which a train is driven. The result is a fascinating look at the development of communication on the rails, from the days when slips of paper describing an engineer's track orders were held on a metal hook for him to grab on the fly, to today, when instructions are transmitted via computer. Major manufacturers of signaling equipment are represented.

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