Throne
The throne is of the simple type
      
       made of paper
      
      . The throne is attached with a integrated base. The 
throne is
      merely the extension of the paper that forms the 
"plate".
      
      Markings:
      
        
          | Content | Translation | Notes | Type | 
        
          | The Oxford Astrolabe Designed after the Persion,
          Moorish and European Instruments in the Old Ashmolean
          Museum, Oxford Hipparchus inv. B.C. 150. Jenkin del. et
          fec. A.D. 1925 |  |  | Maker's signature | 
      
      
      
      
      Shackle
Shackle of the other type (i.e. unusual or
      unique shackle)made of copper. This 
shackle is
      a bent piece of wire. 
      Mater
The mater and limb are of one-piece
      construction. The limb is made of paper pasted to the
      aluminium mater. Scales on the limb:
      
        
          
          | Range & Units | Numbered | Geometry | Location | 
        
          | Equal
          hours | 1 - 12 Times of day | Every 1 hours | Circular, concentric | outer | 
        
          | Degree | 0 - 90 Degrees | Every 10 degrees | Circular, concentric | outer2 |