The English Electric �Type 4s� had taken over most of the regular express work on the West Coast mainline by the time this picture was taken in 1962.No.D370 is working north on �The Midday Scot�, a regular Stanier Pacific duty for almost thirty years. It was one of the last of the class built without a yellow warning panel when it entered service in December 1961; these were introduced from early 1962.