A pair of Stanier LMS Class 4 4-6-0s Nos 44924 and 44797 desend from Drumochter summit near Dalnaspidal with the 3.40pm Inverness to Perth express on 8th April 1957. Note the Hepurne-Scott family 'Roller' on the A9.
Photo: D.M.C. Hepburne-Scott/Rail Archive Stephenson