Astrolabe Catalogue

Throne, Ring and Shackle

The throne is of the indo-persian, engraved type made of gilt brass attached with integrated base made of brass and omega type shackle made of gilt brass . More information

Mater

The mater and limb are of one-piece construction. The tab that holds the tympans in place is located at the bottom of the instrument. Scales on the limb: degree scale.

The limb is inscribed: with a miscellaneous marked as اللهم صلى على محمد المصطفى وعلي المرتضى والبيوت (؟) فاطمة والسبطين الحسن والحسين وصلى على زين العباد وعلى محمد الباقر وجعفر الصادق وموسى الكاظم وعلي الرضا و (God bless Muḥammad the chosen and ʿAlī the approved and the families (?), Fāṭimah, al-Ḥasan and al-Ḥusayn, and may He bless Zayn al-ʿĀbid(īn), Muḥammad al-Bāqir, Jaʿfar al-Ṣādiq, Mūsā al-Kāẓim, ʿAlī al-Riḍā, Muḥammad al-Taqī, ʿAlī al-Naqī al-Zakī, and al-Ḥasan al-ʿAskarī, and may He bless the upright, the eternal proof, Muḥammad al-Mahdī, master of the time, may God bless all of them.). Inscription around edge. Note: This is a list of the twelve Shiite Imams. More information

Back

The back contains 13 scales of the following types: Altitude; Declination; Altitude of noon sun; Azimuth of Qibla; Cotangent; Zodiacal signs; Terms; Faces; Shadow square. The back is inscribed: with a maker's signature marked as نقشه محمد مهدي اليزدي (Engraved by Muḥammad Mahdī al-Yazdī). Inscription in unusually-shaped cartouche. The inscription is worn and difficult to read. More information

Rete, Pin & Horse

The rete contains 0 stars. The zodiac on the rete is labelled: حمل , ثور , جوزا , سرطان , اسد , سنبله , ميزان , عقرب , قوس , جدى , دلو , حوت .
The rete is attached using a pin & horse. The horse is missing. More information

Plates

There are 5 plates with latitudes ranging from 22°0' to 45°0' . More information

Rules & Alidades

Type	Details
Alidade	Double-ended.

More information