Armillary Sphere of the 18th century (reproduction)
Geodus price: 158.00 €
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Geodus price: 158.00 €
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Brand: AM ( Ref: GL052 )
Overall height: 36 cm (14 in.)
Overall width: 18.5 cm (7.25 in.)
Weight: no information
Base: bronze
Rings: bronze
Overall height: 36 cm (14 in.)
Overall width: 18.5 cm (7.25 in.)
Weight: no information
Base: bronze
Rings: bronze
An armillary sphere is a representation of the antique concept of celestial sphere or orbs, invented by greek philosophers.
The Firmament was assimilated to a sphere centered on Earth. During Antiquity and the Middle Ages, the stars were considered as equidistant from the center and an armillary sphere was assumed to be an exact representation of the universe. Even if now know that this model is wrong, it remains a very practical abstraction for the astronomy of position. The exterior parts of this machine are a compages of rings and axes, which represent the principal circles of the heavens:  the polar axis
an horizontal disc representing the horizon of the place
particular parallels as the equator, the 2 polar circles and the 2 tropics
the ecliptic, apparent way of the Sun in the sky
The Earth is represented by a ball placed in its center on the polar axis. These machines were used as teaching tools and, for the largest of them, as observation instruments, in particular by Ptolemaeus. The paintings of the scientists and the notables of the Renaissance often show them with a hand on an armillary sphere which represented the top of knowledge and wisdom. |
About spheres and calendars from D.F. de Rivard (1804, in french), explaining the use of an armillary sphere can be consulted on-line (google-scan) here or downloaded here. |
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AM is a Dutch company created in 1968 by Haring Piebenga. Its focus is to create a comprehensive collection of historical objects and fine art reproductions in museum quality. AM proposes reproductions that appeal to a need for nostalgia, intrigue, and beauty. All its products are designed in house, by its own design team. Originals are pursued at auction and reproduced with an AM twist. For AM, 38 years later, it is always very personal. We develop our products because we like them and we believe that others will also like them… And our Cabinet of Curiosities continues growing... |
Customer reviews of the GL052
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Average of 4,4 based on 17 reviews.
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Details
Base: bronze
Meridian: bronze
Meridian: bronze
An armillary sphere is a representation of the antique concept of celestial sphere or orbs, invented by greek philosophers.
...
4,4 on 5 (17 reviews)0 last reviews
NO review is available in english.
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