An edition of Lettre et la carte de Toscanelli (1902)

Toscanelli and Columbus.

The letter and chart of Toscanelli on the route to the Indies by way of the west, sent in 1474 to the Portuguese Fernam Martins, and later on to Christopher Columbus; a critical study on the authenticity and value of these documents and the sources of the cosmographical ideas of Columbus, followed by the various texts of the letter

By Henry Vignaud