Albert Bridge on Geograph Sir James Martin inventor and originator of the ejector seat, home town Crossgar. 11 September 1893 - 5 January 1981 William Street, Crossgar by Northern Ireland Engineering Heritage 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: Google Streetview OpenStreetMap