A 500-year-old map used by Columbus reveals its secrets - 1
Published 9 Oct 2018, 07:35 BST
Images by
Lazarus Project, Megavision, Rit, Emel, Courtesy of The Beinecke Library, Yale University
Much of the text on the 1491 map by Martellus map had faded to the point of illegibility (top), until researchers used modern imaging tools to uncover much of it (bottom).
Images by
Lazarus Project, Megavision, Rit, Emel, Courtesy of The Beinecke Library, Yale University
Multispectral imaging uses different wavelengths of light in different combinations to reveal otherwise invisible features. These images show the southern tip of India on Martellus’s map.
Images by
Lazarus Project, Megavision, Rit, Emel, Courtesy of The Beinecke Library, Yale University
Invisible with regular light (left), a legend describing the panotii, a type of large-eared, part-human monster was revealed with multispectral imaging.
Images by
Lazarus Project, Megavision, Rit, Emel, Courtesy of The Beinecke Library, Yale University
This fragment of text on the Martellus map, revealed by multispectral imaging, appears to describe a porcupine that lives in a cave near the northern coast of Asia and throws its spines at men and dogs who hunt them.
Images by
Lazarus Project, Megavision, Rit, Emel, Courtesy of The Beinecke Library, Yale University
Multispectral imaging revealed remarkable detail about the rivers, mountains, and cities of southern Africa on Martellus’s map.
Images by
Lazarus Project, Megavision, Rit, Emel, Courtesy of The Beinecke Library, Yale University