"20"^^ . . "GNR O1/LNER O3 Class"@en . "1914Z"^^ . . . "1919Z"^^ . "The Great Northern Railway (GNR) Class O1 was a class of two-cylinder 2-8-0 steam locomotive designed by Nigel Gresley for heavy freight work and built by the GNR between 1913 and 1919."@en . . "2"^^ .