DVD 30777 Sir LamielDVD 30777 Sir Lamiel 14. 95 The last remaining Southern Railway King Arthur Class No. 30777, The Last Knight Sir Lamiel is now some eighty years old and proudly a part of the National Collection. Sir Lamiel, a Southern Railway 4 6 0 Class N15. This Maunsell design was developed from an earlier design built for the London & South Western Railway. The brief was to design a locomotive capable of maintaining 55mph with 500 ton trains travelling the