Kompleks kompensator, system Gall. Fabrikat H. Tinsley & Co., London. Betjeningsforskrift og beskrivelse
Drawing of broad wheeled Sussex waggon as used in the counties Sussex & Kent, Southern England circa 1700-1930
The first locomotive engine built in Manchester the "Experiment" engine as made by Mr Richard Roberts, Manchester in 1833
Letter from Nigel Gresley to Harold Holcroft, requesting they meet to discuss ideas relating to 3 cylinder