Revision history of "File:Bridgnorth Signal Diagram.jpg"

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  • (cur | prev) 10:48, 17 October 2015‎ Danny252 (talk | contribs)‎ m . . (618 bytes) (+210)‎ . . (Add note about temporary label)
  • (cur | prev) 10:45, 17 October 2015‎ Danny252 (talk | contribs)‎ . . (408 bytes) (+408)‎ . . (The signal diagram at Bridgnorth signal box, 17 October 2015. The black ovals are the track circuit indicators, which light red in the presence of a train (or if a track circuit fails). The pilot light in the top right corner would indicate that the di...)
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