Email Record: An account of the number of ships and vessels, with their tonnage, cleared outwards, from the different ports of Great Britain, for the coast of Africa, ... for the years 1772, 1773, 1774, 1775, 1776, 1777, 1778, 1779, 1780, 1781, 1782, 1783, 1784, 1785, 1786, and 1787.