Poster, British Railways, An Engine is Wheeled, Derby Locomotive Works, 1949. Coloured lithograph depicting a 2-6-4 tank engine being lowered onto its wheels by an overhead crane. The British Railways totem logo is at bottom left and right. Printed by Waterlow and Sons Limited, London and Dunstable. Format quad royal, 40 x 50 ins, 1016 x 1270 mm.