Astrolabes /
Browse / 43739
Date | early 18th century |
Maker | ‘Abd al-A’imma |
Place | Iṣfahān |
Material | Brass |
Inventory no. | 43739 |
Acquisition | Purchased from R. S. Clay in 1944 |
View all
images for this astrolabe
View
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.The limb is inscribed: with a marked as [on edge]. [ pending ]. More information
Back
The back contains 16 scales of the following types: Altitude; Declination; Azimuth of Qibla; Altitude of noon sun; Sine/Cosine; Cotangent; Terms; Zodiacal signs; Faces; Lunar Mansions; Shadow square; Triplicities. The back is inscribed: with a serial number marked as عمل رابع عشرون (Opus twenty-four). At bottom edge. with a maker's signature marked as عبد الائمة (ʿAbd al-Aʾimmah). In cartouche. More informationRete, Nut & Bolt
The rete contains 0 stars. The zodiac on the rete is labelled: حمل , ثور , جوزا , سرطان , اسد , سنبله , ميزان , عقرب , قوس , جدي , دلو , حوت .The rete is attached using a nut & bolt. Simple, recent replacement.. More information