Does the Talyllyn Railway even have an official loading gauge? If not, what's their tallest and widest piece of rail equipment (if anyone knows)?
http://www.talyllyn.co.uk/sites/default/files/imagecache/main/img/No.4.2-djm.jpg What are the doors on the back of the cab for? Is there not...
What seems to be commonly used on narrow gauge steam locomotives, feedwater pumps or injectors?
I'm not 100% sure if this is the proper place to ask (but seeing as how the Talyllyn has a gauge "greater than 15" and below standard gauge", then...
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