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Download Theses Mercredi 10 juin 2015
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2018 9 5ensp;0183;ensp;An octant, also called quot;reflecting quadrantquot;, is a measuring instrument used primarily in navigation.It is a type of reflecting instrument that uses mirrors to reflect the path of light to the observer and, in doing so, doubles the angle measured. This allows the instrument to use a one eighth circle arc to measure a quarter circle or quadrant.
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