D600 Active with the up 'Cornish Riviera' just after passing Teignmouth on September 2, 1958.

Peter Kerslake adds "Just a few months old, the pioneer WR diesel-hydraulic was the first of the five A1A-A1A locomotives built by the North British Locomotive Company. These had only a brief stay on top-link workings and were replaced by the B-B D800 and D833s."

Photo: K.L. Cook/Rail Archive Stephenson