Astrolabes /
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Date | 1647/8 (A.H. 1057) |
Maker | Muḥammad Muqīm al-Yazdī |
Place | Persia |
Material | Brass |
Inventory no. | 45747 |
Acquisition | Presented by Lewis Evans in 1924. |
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About calligraphy (link to the Al-Mizan exhibition site)
Mater
The mater and limb are of one-piece construction. The tab that holds the plates from rotating is located at the bottom of the instrument. Scales on the limb: degree scale. More informationBack
The back contains 10 scales of the following types: Altitude; Cotangent; Declination; Azimuth of Qibla; Sine/Cosine; Shadow square. The back is inscribed: with a maker's signature marked as راقمه فصل الله السبزواري (Composed by Faṣl Allah al-Sabzawārī). This inscription is found in the cartouche at the bottom of the instrument. More informationRete, Pin & Horse
The rete contains 47 stars. The rete contains zoomorphs: the star pointer for vega is shaped like a bird facing to the left The zodiac on the rete is labelled: الحمل , الثور , الجوزا , الشرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدى , الدلو , الحوت .The rete is inscribed with a owner's mark marked as: سلطا شاة عباس ثاني (Sultan Shah Abbas the Second). The inscription is worked into the tracery within the eclpitic on the rete..
The rete contains 1 scale of the following type: Ecliptic.
The rete is attached using a pin & horse. More information