Astrolabe Catalogue

Throne, Ring and Shackle

The throne is of the pierced type made of brass attached with integrated base made of brass and has a simple, round cross-section ring made of brass and omega type shackle made of brass . More information

Mater

The mater and limb are of two pieces, riveted construction. Scales on the limb: degree scale. More information

Back

The back contains 7 scales of the following types: Degree; Lunar Mansions; Zodiacal signs; Calendar; Perpetual calendar; Shadow square. The back is inscribed: with a maker's signature marked as مما أحكم صنعته محمد بن سعيد الصبان في مدينة الفرج حرسها الله في سنة تعد الهجرية (Among the objects skilfully made by Muḥammad ibn Saʿīd as-Ṣabbān in Guadalajara (Madīnat al-Faraj) in A.H. 474.). More information

Rete, Pin & Wedge

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 contains 2 scales of the following types: Ecliptic; Faces.
The rete is attached using a pin & wedge. The head of the pin is decorated with radial lines. The wedge is the common L-shaped wedge.. More information

Plates

There are 6 plates with latitudes ranging from 21°0' to 90°0' . More information

Rules & Alidades

Type	Details
Alidade	Double-ended. Undecorated..

More information