The merchants clerk: or, the business at the Custom-House made easy, with respect to the method of reporting and clearing ships Inwards and Outwards, and entering goods on Importation and Exportation, Foreign, Coastwise, and Land-Carriage. Also forms of the several dispatches or clearances given by the Officers of the Customs to the Masters of Vessels, &c. By William Hunter, Of the Long-Room, Custom-House, London