1. Prince Henry the Navigator, His School and Nautical Technology 1394-1460

2. Prince Henry the Navigator was the prince of Portugal. He was born in Portugal in 1394.

3. Prince Henry took the lead in opening the African route to Asia by establishing a school of navigation and financing voyages.

4. Prince Henry the Navigator ► Set up school for navigators ► Never sailed ► Sponsored voyages along African coast to win slave trade from Muslims and stop expansion ► His explorers discovered the Azores, the Madeira Isles & Cape Verde Isles ► Sent out more than 50 expeditions but went on NONE himself

5. This school attracted experts in cartography, astronomy, and navigation from many nations. Cartography = map making Astronomy = the study of the stars Navigation = planning a ship’s direction His Schoolat Sagres, Portugal His School at Sagres, Portugal

6. “the end of the world where the waters of the ocean boil at sunset“. (Roman name for Sagres.)

7. Sagres, Portugal's Lands End. ► This place, a promontory on the edge of the open ocean, had an otherworldly reputation, and had been called the Sacred Promontory by Marinus and Ptolomy (from which the name Sagres derives.)

8. Sagres—Lands End ► Under Henry's patronage, a community of brilliant scholars came here to teach and to study, and accumulated and correlated nautical knowledge as it was brought back by captains of successive voyages to hitherto unknown places. The scholars in turn instructed less experienced captains about Atlantic currents and wind systems and the latest navigational methods. Cartography was refined with the use of newly devised instruments. Maps were regularly updated and extended. A revolutionary type of vessel, the caravel, was designed.

15. The Technology The compass – magnetic device that locates geographic direction (N, S, E, W) Astrolabe – device used to locate and predict position of sun, moon, stars, planets; determine time and latitude The caravel - a light sailing ship that could sail very fast and into the wind The Printing Press- fast, affordable, simplier production of text. (average 1 page every 3 minutes)