DVD 850 Lord NelsonDVD 850 Lord Nelson 12. 95 The launch of Lord Nelson at Eastleigh in May 2006 was the culmination of ten years overhaul by the members of the Eastleigh Railway Preservation Society. It was one of the most extensive overhauls ever taken on in railway preservation which tested the engineers to the limit. What was thought to be a usual overhaul, turned out to be far bigger due to the condition of the boiler on No. 850. This programme tells the story of