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The "discovery" in America: Developments - Coggle Diagram
The "discovery" in America: Developments
Magnetic compass
The magnetic compass rose was a powerful navigator tool that sailors needed to sail unchartered waters.
It was develop in China back in the 11th century.
Assisted during the years of the treasure fleet.
Astrolabe
The astrolabe was an astronomical measuring tool that helps sailors to calculate their latitude.
It measures the altitude of the Sun and the prominent stars as they can relate to the horizon which then allows for calculations to be made.
Caravel
The invention of the Caravel by the Portuguese in the 15th century's
Purposes
Carrying cargo - Being a warship - Just fishing
Example: The Galleon
Characteristics
Highly manoeuvrable, seaworthy, and cheap.
Traverse board
The traverse board was a simple device that was essential for ships to document their speed and direction when not all the crew members could read or write.
¨Ships Computer"
Kemal
It consisted of a string and a piece of wood that would then be used to estimate the vessels latitude how well one would hold the string.
Develop by the Arabs in the 9th century
Timekeeping
They helped maintain a schedule for the crew.
Stern post rudder
The Stern post rudder enhanced the ship.
Sextant
