They use thesatelliteand the computer technology
the compass, the astrolabe, the quadrant and the lead.
Early navigational tools of European explorers included the compass, astrolabe, and quadrant. These tools helped sailors determine their direction, latitude, and altitude while at sea, making it possible to navigate accurately across oceans.
Clearly, the most important navigational tool available to sailors before was the Stella Maris.
Compass and astrolabe. Along with larger ships and the movable sail it allowed for exploration.
unhelpful
cell phones and computers (:
The sun and the stars.
Amerigo used the Astrolabe and the Quadrant
The navigator led the pirates to pure success.
hi
He used celestial objects and compass.
The Two Tools That Europeans Got From The Muslim Sailors We're To Be The Compass And The Astrolabe.