introduction of the 4-6-0 SR Lord Nelson class locomotives and also the 4-4-0 SR V class or Schools Class, which were the ultimate and very successful development of the British 4-4-0 express passenger type. He also introduced pulverised fuel equipment and new types of valve gear. Patents GB191419269 (with George Victor Valen Hutchinson), published 26 November 1914, Improvements relating to steam superheaters GB192985 (with James Clayton), published 15 February 1923, Improvements in or relating to condensers for lubricators of the condensation type GB202523 (with James Clayton), published 23 August 1923, A double-feed lubricator See also Locomotives of the Southern Railway Notes, references and sources Notes References Sources External links Biographical notes 1868 births 1944 deaths Locomotive builders and designers Irish people in rail transport South Eastern and Chatham Railway people Southern Railway (UK) people Irish railway mechanical engineers Alumni of Trinity College Dublin Commanders of the Order of the British Empire People educated at The Royal School, Armagh Irish expatriates in England