Talk:Bell code

External links modified
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I have just modified one external link on Bell code. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20131231001445/http://www.rgsonline.co.uk/Rule_Book/Rule%20Book%20Modules/TW%20-%20Train%20Working/GERT8000-TW1%20ERTMS%20Iss%201.pdf to http://www.rgsonline.co.uk/Rule_Book/Rule%20Book%20Modules/TW%20-%20Train%20Working/GERT8000-TW1%20ERTMS%20Iss%201.pdf
 * Added tag to http://www.amtrakengineer.net/NORAC90408.pdf

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Cheers.— InternetArchiveBot  (Report bug) 12:36, 17 July 2017 (UTC)