The West Somerset Railway Heritage Trust Pictures of GWR Collett Brake Third no 5131 No 5131 at Bodmin in December 2007. Picture by Mike DunseNo 5131 at Bodmin in December 2007. Picture by Mike Dunse.Collett BTK no 5131 is sheeted down at Bodmin and is now ready for transportation to West Somerset - pictured on 3 August 2008. Picture by Mike Dunse.Collett BTK no 5131 is sheeted down at Bodmin and is now ready for transportation to West Somerset - pictured on 3 August 2008. Picture by Mike Dunse.