Celestial navigation Sextant

Celestial navigation Sextant

Mike
basic partsof a sextant. Blue arm rotates which causes the fixed mirror on the blue arm to change angle relative to the mirror on the green body of the sextant. Orange dial (vernier) makes the final fine adjustments. The black line shows the path of the light beam from the celestial body to your eye. #celestial_navigation #sextant
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