Mallard and the A4-Pacifics

Mallard & its fellow A4-Pacifics is a story of Britain learning from the USA, Germany, Finland, France and other countries, then building on what had been done for more speed - and winning.By the mid 1930s, speed gripped people’s minds. Railways found themselves caught up in this too. Trying to do something about it, they, sought ideas in Germany and France.