Buenos Aires: Imprenta del Estado, 1836. First. hardcover. los Presidios Portugueses Coimbra y Albuquerque. Navigation tables, 58pp. 4to, modern 1/2 blue cloth, handwritten paper label on front cover, boards worn on edges of corners and bottom edges, scattered very light foxing. Buenos-Aires: Imprenta del Estado, 1836. First Edition. good.
In 1790, the Viceroy of Buenos Aires was concerned about Portuguese settlements in the western territory of Paraguay. He sponsored this expedition on the Paraguay River to establish the border between Paraguay and Brazil. The expedition was headed by Captain Martin Boneo and the pilot of the ship was Ignacio de Pasos.