I spotted this on a the frame of a door that gives access to the now disused Royal Mail lift on Platform 7 of Bristol Temple Meads. I presume they are various destinations that are sorted in North London, but I am not certain.
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photo by <A HREF="mailto:cmckenna@sucs.org?subject=rail-photo at railfaneurope.net">Chris McKenna</a> 09/06/2005.<br> Larger, higher quality copies of most of my pictures are available, please email if you want a copy. 
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