8 oct. 1560 - Gerardus Mercator
Description:
Solved the problem of how to portray the earth on a flat map so that when tracing a route an actual circle would follow the path of the traveler. A Mercator projection shows likes of longitude and latitude crossing at right angles.Ajouté au bande de temps:
Date:
8 oct. 1560
Maintenaint
~ Il y a 463 ans
