The britannia class locomotives otherwise known as british rail standard class 7 were designed by robert riddles and built in the br crewe works between 1951 and 1954 55 were made in total each one taking their name from either a former star class locomotive a great briton or a scottish firth engine no 70008 was one of these locomotives which started work on 28th april 1951 and was named black prince after edward of woodstock the eldest son of king edward iii designed to be a versatile