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17" Huge Brass Armillary Sphere Globe, Armillary Globe For Sale

17

<div style="text-decoration:none" height="27px" valign="middle" face="arial"
<img HUGE BRASS ARMILLARY SPHERE GLOBE, ARMILLARY
RAREarmillary sphere(variations are known asspherical astrolabe,armilla, orarmil) is a model of the CELESTIAL SPHERE.
Made of solid cast brass rings in antique dimensions of this armillary is 17" tall approx,
Base diameter is 6 inches approx.ball diameter is 4.5 inches approx.base is covered with
The 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 Please contact us if you have any questions regarding items..We are not responsible for custom/duty. buyer have to pay custom/duty YOU
GOOD style="text-decoration:none"
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17" Huge Brass Armillary Sphere Globe, Armillary Globe:
$349




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