Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date 14th century
Place North Africa
Material Brass
Inventory no. 53556
Acquisition Presented by Lewis Evans in 1924

Throne

The throne is of the pierced type . The throne is attached with a integrated base. This throne is notable for its diminutive size..

Shackle

Shackle of the rotating pin type (i.e. pin with a 'ball-joint' on the end). The pin is attached to a round bracket that pivots on the throne..

Mater

The mater and limb are of two pieces, soldered construction. The notch that accepts the tabs from the tympans is located at the throne.. Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 360 Degrees of arc Every 5 degrees Circular, concentric None

Womb


The womb is blank..
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