When the three companies merged in 1844 to form the Midland Railway, Derby became its headquarters and the immediate task was to achieve some standardisation in the various locomotives that it had inherited.
Derby became. Its headquarters was to achieve some standardisation in the various locomotives that it had inherited. The immediate task was to achieve some standardisation in the various locomotives that it had inherited. The three companies merged in 1844. This was to form the Midland Railway.