Records expenses for individual locomotives on the Stockton and Darlington Railway; details the costs of Wright’s wages, Smith’s wages etc; gives costs of stationary engines e.g. expenses related the Brusselton, Etherley and Black Boy Engines; gives a detailed record of locomotives May – October 1831 including 'Globe', 'Planet Engine', 'North Star' “No 2 Bedlington' (also called 'Majestic') also Hawthorne engine 'Coronation'; gives details of standard wagons in repair, expense of tenders and expense of keeping the line in repair, details on tools, expenses of keeping shop engines; details re Middlesbrough engines [presumably for coal staithes].