The coal was hot. The crew were ready. On July 3rd, 1938, the 4468 Mallard, an A4-class steam locomotive, was performing an alleged brake test for its London and North Eastern Railway (LNER) owners.
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This steam train hit 126 mph - and no one has beaten it since
The LNER Class A4 was built with one goal: to become the fastest steam locomotive ever created. In this video, we explore how ...
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