Astrolabe Catalogue


Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date 1081/2
Maker Muḥammad ibn Sa‘īd as-Ṣabbān
Place Guadalajara
Material Brass
Inventory no. 52473
Acquisition Presented by J. A. Billmeir in 1957
The rete is of the indicator-line (simple) type. This rete has four rotational knobs. It is oddly assymmetrical.The zodiac on the rete is labelled: حمل , ثور , جوزا , سرطان , اسد , سنبله , ميزان , عقرب , قوس , جدي , دلو , حوت


Type Range & Units Numbered Geometry Location
Ecliptic 0 - 30 Degrees of ecliptic   Ecliptic ecliptic
Faces 0° Aries - 30° Pisces Zodiacal divisions, equal or unequal Not numbered  Ecliptic ecliptic


There are 0 stars on the rete marked with flamant pointers. Unless otherwise indicated the star name, mediation and declination are as marked/measured on the rete.
Click on the star name or modern star name to search for other astrolabes with the same star.
Star name
(on instrument)
Modern star
(if known)
Mediation Declination Pointer

Horse Image:

astrolabe part (photo)

Pin & Wedge

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..
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