28XX Posted March 28, 2012 Share Posted March 28, 2012 The official version of how to do it. UK practice from 1949 onward. http://www.irse.org.au/images/stories/Knowledge/Green_Book/ Link to post Share on other sites More sharing options...
RMweb Gold TheSignalEngineer Posted March 28, 2012 RMweb Gold Share Posted March 28, 2012 Not necessarily the official version, but the Authorised Version for Passing the IRSE Examination. Having said that, the authors were some of the foremost experts of the day when it came to how different facets of signalling were done. I still have copies of Nos 1-14, 16-22 and 24-25 that were given to me when I started on BR in 1966. No 15 was published later and No 23 didn't make it as it was deemed obsolete and dropped from the exam syllabus before it was finished. Link to post Share on other sites More sharing options...
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