Astrolabes /
Browse / 47376
Date | ca. 1570 |
Maker | Allāh-Dād |
Place | Lahore |
Material | Brass |
Inventory no. | 47376 |
Acquisition | Presented by J. A. Billmeir in 1957 |
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detailed provenance for this astrolabe
Mater
The mater and limb are of one-piece construction. The tab to hold the tympans in place is located at the bottom of the instrument, 180° from the throne.. Scales on the limb: degree scale. More informationBack
CHECK the astrological scales on the back of this instrument. I have in the past figured them out.. The back contains 11 scales of the following types: Altitude; Sine/Cosine; Declination; Cotangent; Shadow square; Faces; Triplicities. More informationRete, Pin & Horse
The rete contains 0 stars. The rete contains zoomorphs: two star pointers (النسر الواقع and النسر الطاير) are indicated by the figures of birds. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت .The rete is attached using a pin & horse. The pin is a simple, round-headed pin. The horse was engraved with attention to detail and life-like representation.. More information
Rules & Alidades
Type | Details |
---|---|
Alidade | Double-ended. The right-hand sight is bent toward the
center. The upper edge along the right arm is marked with
a scale.. |
Pointer | Single-ended. The rule is not original. |