works unit 77319, a Plasser & Theurer USP5000C Ballast Regulator (apparently), operated by Carillion at Bristol Temple Meads.
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Photo by <a href="mailto:cmckenna@sucs.org?subject=rail-photo at railfaneurope.net">Chris McKenna</a> 11/07/2005.<br>
Larger, higher quality copies of most of my pictures are available, please email if you want a copy.

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