Castle Instruments 6 INCHES Solid Brass Armillary Sphere

Description

• Material: Brass 6 inches
• Handmade Product sold not as an antique.
• spheres have become an icon of science with their elegant rings and beautiful silhouettes
• Use this Compass as a great Gift, Occasions, Halloween & Christmas costume

Armillary spheres have become an icon of science with their elegant rings and beautiful silhouettes. Eratosthenes may have invented armillary spheres around 255 BC. These instruments are made up of a set of graduated rings representing circles on the celestial sphere, such as the meridian, equator, ecliptic horizon, tropics, and colures. With the aid of an armillary sphere, one can track the path of the sun for any given day of the year or determine a star's coordinates. The Earth is represented by the brass sphere located at the center of the armillary sphere. These elegant reproductions of European Demonstrational Armillary Spheres show relationships among significant lines and points in the sky, including The Celestial Equator, the Celestial Poles, the Ecliptic and the Vernal Equinox. The signs of the zodiac divide the ecliptic rings and these Armillary Spheres also have an extra divided axis where the entire celestial sphere can be set to any angle. The rims of the armillary spheres are marked "A PARIS Chez G. Gobille a P Ache Royalle." These solid brass armillary spheres feature a rich antique patina finish that will not tarnish or show fingerprints. The heavy solid brass bases are mounted on turned solid hardwood, and the bottoms are covered with felt

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