TT4008 LMS 57' Corridor Third 1716At the start of the 1930s the LMS abandoned the Small Engine Policy that it had inherited from one of its largest predecessors, the Midland Railway. The abandoning of this policy led to some of the most famous Stanier and LMS designs such as the Jubilee, Black 5 and Duchess classes. To accompany this shift in ethos, new coaches were constructed for the LMS, with the 57 coaches being built between 1931 and 1932. These new coaches were steel clad, the