LNER Class A4 4468 Mallard
London and North Eastern Railway locomotive numbered 4468 "Mallard" is a Class A4 4-6-2 Pacific steam locomotive built at Doncaster Works, England in 1938. It is historically significant as the holder of the world speed record for steam locomotives at .
Steam engine
Trevithick continued his own experiments using a trio of locomotives, concluding with the Catch Me Who Can in 1808. Only four years later, the successful twin-cylinder locomotive "Salamanca" by Matthew Murray was used by the edge railed rack and pinion Middleton Railway. In 1825 George Stephenson built the "Locomotion" for the Stockton and Darlington Railway. This was the first public steam railway in the world and then in 1829, he built "The Rocket" which was entered in and won the Rainhill Trials. The Liverpool and Manchester Railway opened in 1830 making exclusive use of steam power for both passenger and freight trains.