 434, a 4-4-0 locomotive, and resulted in nineteen deaths (including Massey Bromley, the Locomotive Superintendent of the Great Eastern Railway).Although no blame could possibly be attached to Sacre, he felt responsible, partly because he had given in to pressure from Watkin to adopt the Smith non-automatic brake.In 1885 he decided to retire at the early age of 53, though he agreed to continue to act as a consultant to the railway.