The two different sorts of rails used on the British network seen side by side at Gloucester station. In the foreground is flat bottom rail, secured to the sleepers by clips; in the background is bullhead rail which is secured by "chairs" and wedges. 
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Photo by <a href="mailto:cmckenna@sucs.org?subject=rail-photo at railfaneurope.net">Chris McKenna</a> 20/05/2006.<br>
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