4S-024-008 Hawthorn Leslie 0-4-0 Yellow Chevrons NES 13Locomotive Background Hawthorn Leslie and Company was formed by the merger of the shipbuilder A. Leslie and Company in Hebburn with the locomotive works of R. and W. Hawthorn at St. Peters in Newcastle upon Tyne in 1886. The company manufactured locomotives to order for main line companies and later had a number of standard designs including 0 4 0 saddle tanks and fireless locomotives. In 1937 Robert Stephenson of Darlington amalgamated with the