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Henricus Martellus Germanus (fl. 1480–1496) was a German cartographer active in Florence between 1480 and 1496. His surviving cartographic work includes manuscripts of Ptolemy's Geographia , manuscripts of Insularium illustratum (a descriptive atlas of island maps), and two world maps which were the first to show a passage around the southern ...
Martellus world map (1490) The world map of Henricus Martellus Germanus (Heinrich Hammer), c. 1490, was remarkably similar to the terrestrial globe later produced by Martin Behaim in 1492, the Erdapfel. Both show heavy influences from Ptolemy, and both possibly derive from maps created around 1485 in Lisbon by Bartolomeo Columbus. Although ...
Henricus Martellus Germanus (Germany, fl. 1480–1496) Donnus Nicholas Germanus (Germany, fl. 1460–1475) Fra Mauro (Venice, c. 1459) Piri Reis (Dardanelles, Ottoman Empire, 1465–1554/1555), author of the Kitab-ı Bahriye; Johannes Ruysch (Netherlands, c. 1466–1530), explorer, cartographer, astronomer, manuscript illustrator and painter
Popular discussion of this early Holocene Black Sea flood scenario was headlined in The New York Times in December 1996 [10] and later published as a book. [9] In a series of expeditions widely covered by mainstream media, a team of marine archaeologists led by Robert Ballard identified what appeared to be ancient shorelines, freshwater snail shells, drowned river valleys, tool-worked timbers ...
The Zanclean flood or Zanclean deluge is theorized to have refilled the Mediterranean Sea 5.33 million years ago. [1] This flooding ended the Messinian salinity crisis and reconnected the Mediterranean Sea to the Atlantic Ocean, although it is possible that even before the flood there were partial connections to the Atlantic Ocean. [2]
The Danish cartographer Claudius Clavus seems to have visited Greenland in 1420, according to documents written by Nicolas Germanus and Henricus Martellus, who had access to original cartographic notes and a map by Clavus. In the late 20th century the Danish scholars Bjönbo and Petersen found two mathematical manuscripts containing the second ...
Antillia (and all its companions) are conspicuously omitted in the map of Gabriel de Vallseca (1439), the Genoese map (1457), the Fra Mauro map (1459) and the maps of Henricus Martellus Germanus (1484, 1489) and Pedro Reinel (c. 1485).
Nicolaus Germanus (c. 1420 – c. 1490) [2] was a German cartographer who modernized Ptolemy's Geography by applying new projections, adding additional maps, and contributing other innovations that were influential in the development of Renaissance cartography.