BR Britannia 4-6-2 No 70051 Firth of Forth with a Glasgow-Manchester express threading the upper Clyde Valley with Tinto Hill in the Background in August 1958.
Peter Kerslake adds: Polmadie's 70051 was one of five members of the class sent there from new in 1954.

Photo: W.J. Verden Anderson / Rail Archive Stephenson