W1 Class 4-6-4 No. 10000 pre-1937. (Ref: 010981)
Locomotive No. 10000 built at Darlington Works in 1929 to the design of Sir Nigel Gresley, fitted with Yarrow-Gresley Water Tube boiler. Rebuilt in 1937 as a three cylinder engine with Stephenson tube boiler and A4 style stream lining. BR numbered 60700.