before 1960 and the class X and T3 lasting a little longer. The rugged, reliable and simple T2s lasted until the end of steam locomotive use in North East England, in September 1967. they were, along with the Worsdell designed P3s, the last pre-grouping locomotives in use in Britain. Two Raven steam locomotives survive in preservation, a T2 No 2238 (currently in running order as No. 63395 in British Railways paintwork) and No. 901, the pioneer T3, the only surviving loco of Raven's 3 cylinder design. World War I and after At the direction of the prime minister, David Lloyd George, in September 1915 Raven was appointed as superintendent of the Royal Arsenal, Woolwich in order to oversee the production of munitions for the Great War. Within three months, Lloyd George was able to report to the House of Commons that output had risen by 60 to 80 percent, despite an increase in the size of the workforce of only 23 percent. For his efforts, Raven was awarded a knighthood in 1917. At the Grouping of the railways in 1923, the post of chief mechanical engineer for the London and North Eastern Railway was given to Nigel Gresley of the Great Northern Railway, with Raven becoming a technical adviser. He resigned in 1924 and was appointed to the Royal Commission on New South Wales Government Railways, in company with Sir Sam Fay. Raven died on 14 February 1934 after heart trouble whilst on holiday with Lady Raven in Felixstowe. In 1883, Raven married Gifford Allan Crichton, and in the years 1883-9 fathered four children (Constance Gifford, Guendolen Edith, Norman Vincent, and Frederick Gifford). Edward Thompson was Raven's son-in-law (married Guendolen in 1913). References Sources External links 1859 births 1934 deaths English mechanical engineers English railway mechanical engineers Locomotive builders and designers Knights Commander of the Order of the British Empire North Eastern Railway (UK) people People educated at Aldenham School