A sextant is a reflection instrument used in navigation to measure the angle between the sun or a star and the horizon. It was invented in 1757 as an improvement on Hadley's octant.
The sextant is usually made of brass although a few can be found in silver or gold plate or even platinum.
Antique Sextant Hinsley Cardiff cica 1900
Very nice and rare piece sextant Hinsley Cardiff cica 1900. With its 3 glasses, its limb is silver and its walnut Box is a real museum piece. The dimensions...