Derailment of 8.20am ex Liverpool to London passenger express near stowe hill tunnel 21.9.51 (E-001)

With the aid of three G.W. type track gauges, versines [text omitted as illegible] the path of wheels bearing against the outer-rail of the [text omitted as illegible] have been obtained. From other measurements made at the [text omitted as illegible] time, the amount of lateral play of two wheels...