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==Origin==
==Origin==
New Latin ''sextant''-, ''sextans'' sixth part of a [[circle]], from [[Latin]], sixth part, from ''sextus'' sixth
New Latin ''sextant''-, ''sextans'' sixth part of a [[circle]], from [[Latin]], sixth part, from ''sextus'' sixth
*[http://en.wikipedia.org/wiki/17th_century 1628]
*[https://en.wikipedia.org/wiki/17th_century 1628]
The scale of a sextant has a length of ⅙ of a turn (60°); hence the sextant's name (sextāns, -antis is the Latin word for "one sixth"). An [https://en.wikipedia.org/wiki/Octant_(instrument) octant] is a similar device with a shorter scale (⅛ turn, or 45°), where as a quintant (⅕ turn, or 72°) and a quadrant (¼ turn, or 90°) have longer scales.
The scale of a sextant has a length of ⅙ of a turn (60°); hence the sextant's name (sextāns, -antis is the Latin word for "one sixth"). An [https://en.wikipedia.org/wiki/Octant_(instrument) octant] is a similar device with a shorter scale (⅛ turn, or 45°), where as a quintant (⅕ turn, or 72°) and a quadrant (¼ turn, or 90°) have longer scales.
