Voyage Instruments Flashcards
1
Q
What does a compass do?
A
a compass helps you find directions e.g if your needle is pointing north your north the equator
2
Q
What is a astrolable?
A
Measured latitude by studying the position of the sun
3
Q
What is a quadrent?
A
the quadrent worked out the latitude by the position of stars
4
Q
What is a portolan chart?
A
Early navigations maps of the sea
5
Q
What are log lines and knots?
A
used to calculate the speed at sea
