Huge Brass Armillary Sphere Globe Sundial Compass 18"
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Huge Brass Armillary Sphere Globe Sundial Compass 18":
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<img target="_blank"><img BRASS ARMILLARY SPHERE globe SUNDIAL COMPASS RARE armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of the CELESTIAL SPHERE.
Made of solid cast brass rings in antique dimensions of this armillary is 18" tall,
10.5 inches in diameter,
Base diameter is 8 armillary is an ancient astronomical instrument used to track date, time and various celestial happenings throughout the year. In a simplified version it is also known as the sundial. The armillary sundial differs from the garden sundial in that it is three-dimensional in its presentation and is more accurate when giving time. It has a fixed gnomon style that is aligned with the Earth's rotational axis and a spherical shadow-receiving surface that is aligned equidistant from the axis. In order for the armillary to be used accurately it must be positioned properly. Once this is done, reading the armillary is accomplished by simply locating the edge of the shadow cast by the gnomon style on the shadow-receiving surface and noting the numerical and graduated hatch larger rim of the armillary sphere marked "A PARIS Chez G. Gobille a P Ache Royalle."
This heavy brass armillary is mounted on the beautiful rosewood base.
base is covered with are not responsible for custom/duty. buyer have to pay custom/duty ifapplicable.
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