Records of Humber Conservancy and the Humber Ports (Records deposited by Associated British Ports and its Predecessors) > Humber Conservancy > Humber Conservancy Board: Arbitration and Litigation > Arbitration between the Humber Conservancy Board and the Board of Trade, and the Humber Commercial Railway and Dock Company > Case stated by two Hull Magistrates as the application of pilotage dues