 The current exhibit "Mannin" has been an attraction since the museum opened in 1975 and was only removed for one season in 1998–99 whilst the structure of the museum building received attention; since returning it has been turned to face chimney-first to Douglas and is no longer rail-connected.Prior to its restoration, funded by the Isle of Man Steam Railway Supporters' Association No.4 "Loch" of 1874 was a main exhibit, being replaced by No.