Gunter's quadrant, replica | Hemisferium

Calculating at sea or in the field used to take a lot of time, and that is why the English mathematician Edmund Gunter described a handy tool in the 17th century. After measuring the height of the sun or a star, you can read the Gunter quadrant without any calculations, among other things, the time, the time of sunrise, and the direction of the sun. It was a practical tool for sailors, surveyors, and astronomers.

Hemisferium makes replicas of historical scientific instruments. This quadrant is primarily a decorative and educational object, and a gift for anyone who is interested in astronomy, mathematics, or old instruments. Those who want to compare quadrants also look at the quadrant of Beringer. Later came to sea the sextant as a replica.

Never look through the visor when looking at the sun; let the light fall through the front visor onto the back. If the receiver also wants to view the sky through a telescope, then the visor can be tilted to the left or right to allow the light to fall onto the front visor. our choice guide for a telescope in the first choice.