Length of a cast iron plate rail used on the Kilmarnock & Troon Railway. Incomplete and damaged.
For description of the railway see Proceedings of the Institution of Civil Engineers, Civil Engineering, 1998, 126, May, 73-85.
For a general description and images of early cast iron plate railways see https://tringlocalhistory.org.uk/Railway/c03_track.htm.
For an article on the viaduct and its restoration see http://www.engineering-timelines.com/scripts/engineeringItem.asp?id=1243.