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Flying Scotsman (pictured) became the first steam locomotive officially to exceed 100 miles per hour (161 km/h).
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LNER Class A3 4472 Flying Scotsman
British express steam locomotive
No. 4472 Flying Scotsman is a LNER Class A3 4-6-2 "Pacific" steam locomotive built in 1923 for the London and North Eastern Railway (LNER) at Doncaster Works to a design of Nigel Gresley. It was employed on long-distance express passenger trains on the East Coast Main Line by…Source: Wikipedia (CC BY-SA)
Steam locomotive
Railway locomotive that produces its pulling power through a steam engine
A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material to heat water in the locomotive's boiler to the point where it becomes gaseous and its volume increases…Source: Wikipedia (CC BY-SA)