Octant (instrument)
Measuring instrument used primarily in navigation; type of reflecting instrument
The octant, also called a reflecting quadrant, is a reflecting instrument used in navigation.
From Wikipedia, under CC BY-SA. More on occurri.
Measuring instrument used primarily in navigation; type of reflecting instrument
The octant, also called a reflecting quadrant, is a reflecting instrument used in navigation.
From Wikipedia, under CC BY-SA. More on occurri.