1486 Claudius Ptolemy - Ulm Map of the World

The Ulm Ptolemy World Map is one of the most desirable of all early world maps which is still obtainable from time to time. Based on the descriptions and projections of Roman mathematician, astronomer and geographer Claudius Ptolemy, it was first published in Ulm in 1482 by Leinhart Halle. Following Halle’s bankruptcy it began to be published in 1486 by Johan Reger, also in Ulm. Claudius Ptolemy (circa 100-178 CE), often called a Renaissance man of antiquity, wrote the famous work Geographia on which this map was based. An eight-volume work, the Geographia included all his observations and calculations regarding the size of the earth, as well as the co-ordinates for the positions of the places and features depicted on the map. It was an attempt to publish in one work all known scientific information of his time, and manuscripts and maps of other early cartographers and cosmographers, such as  Marinus of Tyre (present-day Lebanon) were all part of Ptolemy's sources of the most up to dat