City of Truro in full steam at Didcot in May 2010, carrying 3717, the number the Great Western Railway gave it in 1912. Built at Swindon Works in 1903 as No. 3440, it is a double-framed 4-4-0 of the City class. On May 9, 1904, the journalist Charles Rous-Marten claimed it reached 102.3 mph…
