ID 377795
Lot 19 | A BRASS ASTROLABE
Estimate value
£ 50 000 – 80 000
PROBABLY PARIS, EARLY 17TH CENTURY
The brass mater with floral-engraved throne, the rim graduated with two degree scales and one for hours, the inside of the womb plain with one plate engraved to one side with stereographic projections to each side for 49°, rule with pin. The reverse of the astrolabe divided in quadrants, the lower two carrying, a shadow square, upper left a trigonometric grid and upper right a diagram of hours, around these a monthly calendar and zodiac scales, the decorated alidade with sight vanes. The rete with graduated ecliptic, and seven unmarked stars.
Further stars marked on rete:
Cauda
Capric 3
Venter Ceti 3
Naris Ceti 3
Caput Gemini S2
Camcula 1
Lucida Hydre 2
Spica Virginis 1
Corona 2
Cauda Urse 2
Muscida Pegasus 3
Vultur Volaris 2
6in. (18cm.) diameter
Art style: | Symbolism |
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Place of origin: | Paris |
Category: | Scientific instrument |
Art style: | Symbolism |
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Place of origin: | Paris |
Category: | Scientific instrument |
Address of auction |
CHRISTIE'S 8 King Street, St. James's SW1Y 6QT London United Kingdom | |
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Preview |
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Phone | +44 (0)20 7839 9060 | |
Buyer Premium | see on Website | |
Conditions of purchase | Conditions of purchase |
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