Astrolabe Catalogue

 

Small image of complete astrolabe as rete cannot be removed from mater. Click to enlarge.
Date 1327/28 (A.H. 724)
Maker ‘Alī ibn Ibrāhīm al-Jazzār
Place Taza
Material Brass
Inventory no. 50853
Acquisition Purchased from Ernst Weil in 1957
The rete is of the maple-leaf type. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت

Stars

There are 0 stars on the rete marked with dagger 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

Rivet

The rete is attached using a rivet. Although the head of the rivet is slotted as if it were a screw, it rotates freely an does not unscrew. There is no apparent way to remove this rivet and thus inspect the back of the rete or rule.
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