| Date | early 18th century | 
        
          | Maker | ‘Abd al-A’imma | 
        
          | Place | Iṣfahān | 
        
          | Material | Brass | 
        
          | Inventory no. | 40833 | 
        
          | Acquisition | Presented by J. A. Billmeir in
          1957 | 
      
The rete is of the foliate (single knob) type. The
      back of the rete bears a number of construction marks. The
      knob at the bottom of the rete is made of silver.The zodiac
      on the rete is labelled: حمل , ثور , جوزا , سرطان , اسد ,
      سنبله , ميزان , عقرب , قوس , جدي , دلو , حوت
    
 
    
      Scales
      
        
          
          | Range & Units | Numbered | Geometry | Location | 
        
          | Ecliptic | 0 - 30 Degrees of ecliptic | Every 6 | Ecliptic | ecliptic | 
      
     
    
      Stars
There are 0 stars on the rete marked with bulb
      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 | 
      
     
    
      
      
    
    
      
Pin & Horse
The rete is attached using a pin
      & horse. The horse is simple in design and undecorated.