Astrolabe Catalogue

Throne, Ring and Shackle

The throne is of the indo-persian type made of brass attached with integrated base made of brass and has a simple, squared cross-section ring made of brass and eye-bolt type shackle made of brass . More information

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. More information

Back

The back contains 6 scales of the following types: Altitude; Azimuth of Qibla; Cotangent; Shadow square. More information

Rete, Pin & Horse

The rete contains 0 stars. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت .
The rete is attached using a pin & horse. The head of the pin is decorated with radial lines. The horse is simple and most probably a replacement.. More information

Plates

There are 2 plates with latitudes ranging from 30°0' to 36°0' . More information

Rules & Alidades

Type	Details
Alidade	Double-ended. The rule is not original. The rule is crudely graduated with equally spaced lines. The left arm was repaired. It looks to be a replacement..

More information