The Lateen Sail
What shape was a lateen sail?
Triangular
In what century was the mariner's astrolabe used most frequently?
16th century
What country led the world in steamboat production?
The USA
Could steamboats travel the oceans?
In what century was the lateen sail used most frequently?
15th century/1400s
What did astrolabe's calculate?
Latitude
What bodies of water were steamboats most frequently used in?
Rivers
Where was the lateen sail used most frequently?
The Indian Ocean region
When was the lateen sail created (for the first time)
the 2nd century
What material were astrolabes made of?
Brass
When was the steam engine created?
1712
When did steamboats spread to China?
After the Opium Wars, 1860s
What advantages did it have over square sails? (Name two)
Let the sailors sail into the wind, better control, ability to sail closer to shore.
What did sailors look for with the astrolabe?
Specific stars or the sun
What year was the first steamboat created and by who?
1807 by Robert Fulton
Where was the first steamship created?
USA, specifically Philadelphia
What direction does a lateen sail run in?
Fore and aft
How old is the oldest Mariner's astrolabe? (Answer with a number of years)
521
What are the two kinds of steamboats?
Stern and side-wheelers
Where was the lateen sail used at the very beginning of it's creation?
The Mediterranean