Letter copied by John Wesley Hackworth. A ‘short history of the Sans Pareil’ locomotive; presents the Sans Pareil to South Kensington Museum [now the Science Museum, London] ‘I hope the old engine will now find a permanent resting place in the Kensington Museum, where her end will be peace, if not pieces’. Referenced in Robert Young, Timothy Hackworth and the Locomotive (London: Locomotive Publishing Company, 1923), p. 206.