National Coal Board South Durham Area "STAGSHAW" (Hawthorn Leslie 3513, built 1927) at Shotton Colliery in 1973.  
The loco was built on the frames of the experimental Hawthorn Leslie compressed steam loco and is now preserved at Marley Hill.

Photo and scan by Les Richardson (les@cirsel.freeserve.co.uk)

http://www.cirsel.freeserve.co.uk/trains.htm