History: London North Eastern Railway or LNER A4 Pacific Class No.4468 Mallard getting ready to attempt to break the world speed record for steam locomotives on Sunday the 3rd of July 1938. She and her crew would succeed reaching a peak of 126 mph(202 km) during the run. [1536x1038]

https://i.redd.it/b744vo6u1m851.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/hkfzyx/london_north_eastern_railway_or_lner_a4_pacific/?utm_source=ifttt