Throne
The throne is of the pierced type
      
      . The throne is attached with a integrated base. A simple
      five-lobed 
throne.
      The front and the 
back bear
      short inscriptions about the maker and an early owner..
      
      Markings:
      
        
          | Content | Translation | Notes | Type | 
        
          | ؟؟ احمد الفلكى الصنجارى | [For] Aḥmad the astronomer from Ṣinjār |  | Owner's mark | 
        
          | ؟؟؟ على بن عيسى | [Made by Khafīf the apprentice of] 'Alī ibn 'Īsā |  | Maker's signature | 
      
      
      
      
      Ring
The ring is of the simple, squared cross-section
      type (i.e. a simple ring made from a round rod or piece of
      metal).
      
      
      Shackle
Shackle of the omega type (i.e. Ω-shaped
      shackle). The tabs that attach the 
shackle to
      the 
throne are
      notably large.. 
      Mater
The mater and limb are of one-piece
      construction. The tab used to hold tympans in place is
      located at the bottom of the instrument, 180° from the
      throne.. Scales on the limb:
      
        
          
          | Range & Units | Numbered | Geometry | Location | 
        
          | Degree | 0 - 360 Degrees of arc | Every 5 degrees | Circular, concentric | None | 
      
      
      Womb
      Blank..