How accurate were the maps before the invention of artificial satellites? What was the most accurate map of the Earth before satellites?
I am looking for good online sources for historical maps, specifically the late medieval period (but other periods would be interesting as well). While there are many historical maps out there, few ...
North is traditionally shown upwards in maps, although there isn't any physical reason for it - compass needles point parallel to magnetic field lines. Showing south as up would be just as legitimate. ...
Several maps done in the 16th & 17th Centuries show a huge island off the western coast of America. At its lower end, it looks a lot like baja california, but it is clearly an island, as opposed ...