‘The locomotive was drawing a streamlined train to which was attached to a dynamometer car, in which were charts and instruments which confirmed the records.’ On 3 July 1938, ‘The Mallard’ locomotive (engine number 6648) achieved a new UK record for steam trains, travelling at 125.88 MPH on the UK’s East Coast Main Line. To celebrate the 75th anniversary of that historic day, here is a newspaper story from 1938 reporting on the setting of this famous world record, which remains …