The Great Central Railway Class 9N, classified A5 by the LNER, was a class of 4-6-2 tank locomotives designed by John G. Robinson for suburban passenger services. They were fitted with superheaters, piston valves and Stephenson valve gear.
A5/1 No. 9828 outside Marylebone station 1947
John George Robinson CBE, was an English railway engineer, and was chief mechanical engineer of the Great Central Railway from 1900 to 1922.
A Robinson-designed GCR Class 8K 2-8-0 heavy freight locomotive, built in 1912, in service at Langwith Junction shed on 7 August 1960
Robinson GCR Class 11F 4-4-0 No. 506 Butler–Henderson on display at the National Railway Museum, York, in 2004