Alyth ROC post is a master post, nice and dry although not much is left to see. It has a torlift hatch as opposed to a Scottish t-bar hatch. I didn't actually take a full internal room pic for some reason, but did a vid at this one.
Video - http://www.youtube.com/watch?v=y3bPthLCZcI
http://i168.photobucket.com/albums/u...F1466Small.jpg
http://i168.photobucket.com/albums/u...F1448Small.jpg
http://i168.photobucket.com/albums/u...F1449Small.jpg
http://i168.photobucket.com/albums/u...OCmapLarge.jpg