| 
      Thank you to David Bain for allowing me to reproduce this photograph 
       
      He describes this as a  classic late-1960s merry-go-round train on 
      the Millerhill to Roslin branch carrying coal from Bilston Glen colliery 
      to Cockenzie power station. 
      David tells me that the locomotive was a Clayton, one of a class that 
      was hurriedly rushed into service and proved to be unreliable. |