Henricus Martellus's World Map at Yale (c. 1491): Multispectral Imaging, Sources, and Influence

This book presents groundbreaking new research on a fifteenth-century world map by Henricus Martellus, c. 1491, now at Yale. The importance of the map had long been suspected, but it was essentially unstudiable because the texts on it had faded to illegibility. Multispectral imaging of the map, performed with NEH support in 2014, rendered its texts legible for the first time, leading to renewed study of the map by the author. This volume provides transcriptions, translations, and commentary...