374-889A LMS Stanier 50ft Full Brake BR Maroon No.M31248MThe LMS built coaches to three distinct patterns, known commonly as Period 1, 2 and 3 coaches. The Period 3 coaches were the final development, and the first examples were built in 1933, a year after Sir William Stanier became Chief Mechanical Engineer of the LMS and so the Period 3 coaches are often referred to as Stanier Coaches. Whilst passenger vehicles were mostly 57ft in length, several specialist types including catering vehicles, Inspection