"1951Z"^^ . . "3.9624"^^ . "The BR Standard Class 7, otherwise known as the Britannia Class, is a class of 4-6-2 Pacific steam locomotive designed by Robert Riddles for use by British Railways for mixed traffic duties. Fifty-five were constructed between 1951 and 1954. The design was a result of the 1948 locomotive exchanges undertaken in advance of further locomotive classes being constructed."@en . . "20.7264"^^ . . "55"^^ . "BR Standard Class 7"@en . "1954Z"^^ . . "2.4384"^^ .