The plan for an 'Ingenio' or sugar mill contained within the text A true & exact history of the island of Barbadoes : illustrated with a map of the island, as also the principal trees and plants there, set forth in their due proportions and shapes, drawn out by their several and respective scales ; together with the ingenio that makes the sugar, with the plots of the several houses, rooms, and other places, that are used in the whole process of sugar-making; viz. the grinding-room, the boyling-room, the filling-room, the curing-house, still-house, and furnaces; all cut in copper / by Richard Ligon, gent.