http://bigthink.com/strange-maps/648-portolan-charts-too-accurate-to-be-medieval
https://en.wikipedia.org/wiki/Portolan_chart
Not a hot topic, but these have been puzzling cartographers for a long time.
(https://www.grogheads.com/forums/proxy.php?request=http%3A%2F%2Fwww.madaboutmemes.com%2Fuploads%2Fmemes%2F61.png&hash=00c8280017467d9c56dddce973f9a2a88eeff8e2)
Quote from: besilarius on March 10, 2018, 12:20:07 PM
http://bigthink.com/strange-maps/648-portolan-charts-too-accurate-to-be-medieval
https://en.wikipedia.org/wiki/Portolan_chart
Not a hot topic, but these have been puzzling cartographers for a long time.
:coolsmiley: