T and O map
TYPE OF MEDIEVAL WORLD MAP
T-O map; TO map; TO Map; TO maps; TO Maps; T-and-O map; T&o map; T and o map; O-T map; O and T map; Isidoran map
A T and O map or O–T or T–O map (orbis terrarum, orb or circle of the lands; with the letter T inside an O), also known as an Isidoran map, is a type of early world map that represents the physical world as first described by the 7th-century scholar Isidore of Seville in his De Natura Rerum and later his Etymologiae.: "...