A new General Chart of the Atlantic or Western Ocean and Adjacent Seas : including the Coasts of Europe and Africa from 60 Degrees North Latitude to the Equator and also the opposite Coast of America : drawn and Regulated to the most accurate Astronomic Observations, and the Journals of the most experience Navigators, in which also one particularly distinguished the determinations of the longitude as given by the Marine Clocks of Mr. Ferdinand Berthoud in the Voyage performed by orden of the Goverment of France in 1768 and 1769 in the Ship Isis to the Azores, Madeira, the Canaries, Cape-Verd Islands, St. Domingo, the Great Bank of Newfoundland