Astrolabe Catalogue

Throne, Ring and Shackle

The throne is of the indo-persian, engraved 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 one-piece construction. The tab that prevents the plates from rotating is integrated into the bottom of the limb. Scales on the limb: degree scale. More information

Back

The back contains 9 scales of the following types: Altitude; Unequal hours; Sine/Cosine; Cotangent; Shadow square. The back is inscribed: with a maker's signature marked as صنعه خليل محمد بن حسن علي الحقير الفقير إلى الله الجليل (Made by the contemptible Khalīl Muḥammad ibn Ḥasan ʿAlī who is in need of God the Sublime.). In a cartouche within the shadow square. More information

Rete, Pin & Horse

The rete contains 22 stars. The zodiac on the rete is labelled: حمل , ثور , جوزا , سرطان , اسد , سنبل , ميزان , عقرب , قوس , جدي , دلو , حوت.

The rete contains 1 scale of the following type: Ecliptic.
The rete is attached using a pin & horse. 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