Bill Henderson on Geograph Covenanters' Prison [full inscription unknown] , Edinburgh Colour: This plaque is purple, white and green glass claret orange purple clear bronze grey stone red slate wood blue black brass multicoloured pink brushed metal green maroon film cell green and red Belgian Blue Stone red and black yellow terracotta marble brown silver white gold Wikimedia: Flickr: How to add yours gnomonic on Flickr gnomonic on Flickr Google Streetview OpenStreetMap
