The British Railways Mark 1 sleeping car was a railway sleeping car built by British Railways and outside contractors between 1957 and 1964. Three hundred and eighty cars of three different types were built with a fourth type created later by conversion. None remain in front-line service and very few are preserved (this was due to asbestos insulation in most carriages).
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capacity
5, 11, 12, 22
manufacturer
Metro Cammell, Doncaster Works, Derby Carriage and Wagon Works, Wolverton railway works