This 1797 chart uses a Mercator projection. Devised by Gerardus Mercator in these projections, with their perpendicular lines of latitude and longitude, dominated nautical cartography by the Library of Congress Geography and Map Division
The Fra Mauro Map. This map of the world depicts Asia, Africa and Europe and is "considered the greatest memorial of medieval cartography" according to Roberto Almagià. It was made around 1450 by the Italian monk Fra Mauro.