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 locomotive
In the 20th century, Chief Mechanical Engineer of the London and North Eastern Railway (LNER) Nigel Gresley designed some of the most famous locomotives, including the "Flying Scotsman", the first steam locomotive officially recorded over 100 mph in passenger service, and a LNER Class A4, 4468 "Mallard", which still holds the record for being the fastest steam locomotive in the world (126 mph).