The armillary sphere is an ancient instrument used until the year 1600 that was used to determine the celestial coordinates of the stars.
It is believed that it was invented around 255 BC. by the Greek astronomer Erastothenes. It was built by a certain number of circles (from which comes its Latin name armilla, which means bracelet) inserted one into the other, representing the celestial equator, the ecliptic, the horizon, the zodiac, etc., in such a way that once directed towards a star, its celestial coordinates could be read on graduated scales.
Armillary spheres were used by Arab astronomers, Hipparus and Ptolemy, and during the 15th and 16th centuries they underwent great development.
Our armillary sphere is a replica of one of those made by the Danish astronomer Tycho de Brahe (1576-1601). It is made entirely by hand in wood and brass and is accompanied by a manual with its history and instructions for use.
It has two different sizes and shapes;
Small armillary sphere
Measures:
Height: 35cm
Balloon diameter: 21cm
Large armillary sphere
Measures
Maximum Height: 43 cm
Balloon diameter; 26cm
VAT INCLUDED
