Latitude      Changed   Knowledge of the World      What Changed

Without Latitude   In 1440 European Sailors Only Knew    But With Latitude   In 1516 They Knew   Ships Beacons Maps Latitude Compass Roses Earth's Magnetism Traditional Sailing Science of Sailing Coastal Navigation Ocean Currents Ocean Weather Longitude Traditional Astronomy Math in Maps Calendars Site Map Net Resources Learning Page       << Portuguese Latitude Scale circa 1516    (blue/red rectangles, approx. double actual size)   sepia maps © Huntington Library    Last modified 1/29/99 © 1998,1999 p seed Send Comments   Search This Site