Loch Quoich K2 Class steam locomotive No

UNITED KINGDOM - AUGUST 04: Loch Quoich' K2 Class steam locomotive No 61787 with passenger train on the West Highland line near Lochailort, c 1950s. Photograph by Bishop Eric Treacy. Treacy (1907-1978) was often allowed special access to many areas denied to other railway photographers. He also befriended many of the footplate crews, occasionally persuading them to create special smoke effects for the camera. (Photo by SSPL/Getty Images)