Leonardo's world map
Videos
Leonardo's world map is the name assigned to a unique world map drawn using the "octant projection" and found loosely inserted among a Codex of Leonardo da Vinci preserved in Windsor. It features an e
Leonardo da Vinci octant globe reconstruction
Octant projection
Videos
The octant projection or octants projection, is a type of map projection proposed the first time, in 1508, by Leonardo da Vinci in his Codex Atlanticus. Leonardo's authorship would be demonstrated by
Outline of the octant projection in Codex Atlanticus
Development of Cahill-butterfly's quasi-octant projection circa 1915
Outline in Codex Atlanticus with sketches of eight other projections of the globe being studied by Leonardo
Nicolaas-Geelkercken's 1616 octant projection in eight octants with Reuleaux triangle's shape