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invented latitude and longitude
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bc
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responsible for the early development of European exploration and maritime trade with other continents. passed cape bajador in 1434
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went to atlantic ocean
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join royal navy in 1755
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Known as "pathfinder of the sea"
published the first extensive books on the geography of the sea. -
The challenger set sail for discovery and science
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a spherical vessel for underwater discovery.
attatched to a cable.
first devised in 1928