4-6-0T Leighton Buzzard Railway number 778 was built by the Baldwin Locomotive Works of Philadelphia, USA, in 1917. One of 495 locomotives built by Baldwin between 1916 and 1917 for the United Kingdom War Department Light Railways. They operated on the thousands of miles of narrow gauge tracks that supplied the front line trenches in the First World War. Number 778 then worked in India until the 1980s, finishing at the Upper India Sugar Mills in Uttar Pradesh. The first (and so far only) one of its type to steam in Britain since the 1940s it entered service in 2007 following a major overhaul - 2 Sep 2018 William Slim.