A BRASS ASTROLABE

Lot 19
29.07.2020 18:00UTC +00:00
Classic
Vendu
£ 50 000
AuctioneerCHRISTIE'S
Lieu de l'événementRoyaume-Uni, London
Commissionsee on Website%
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ID 377795
Lot 19 | A BRASS ASTROLABE
Valeur estimée
£ 50 000 – 80 000
A BRASS ASTROLABE

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

Adresse de l'enchère CHRISTIE'S
8 King Street, St. James's
SW1Y 6QT London
Royaume-Uni
Aperçu
27.07.2020 – 29.07.2020
Téléphone +44 (0)20 7839 9060
E-mail
Commission see on Website
Conditions d'utilisationConditions d'utilisation

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