DescriptionPedroReinel1504.3.jpg Portuguese nautical chart by PedroReinel, c. 1504 Date 18 October 2008, 17:00 (UTC) Source Pedro_Reinel_1504.jpg Author
Wikipedia without requiring a link to it. The original source is File:Pedro_Reinel_1504.jpg, which is in the public domain. I created this image semiautomatically