Plate 4
Pietro Vesconte, Italian, active c. 1307–1327
Untitled map of the world (1320)

Diameter: 12-13⁄16 in. (32.5 cm)
Hanover, Germany, 1611

Showing the essential features of the medieval T–O maps, this map also has lines drawn from the sixteen compass points on the circumference. Similar lines were  drawn on Venetian portolano (portolan charts) used for coastal navigation in the 13th century.