Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date 1221/2
Maker Muḥammad ibn Fattūḥ al-Khamā’irī
Place Seville
Material Brass
Inventory no. 44141
Acquisition Presented by Lewis Evans in 1924

Throne

The throne is of the moorish arch type . The throne is attached with a integrated base. The front of the throne is undecorated. The back of the throne bears the maker's inscription.

Shackle

Shackle of the omega type (i.e. Ω-shaped shackle). .

Mater

The mater and limb are of two pieces, soldered construction. . Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 360 Degrees Ever 5 degrees Circular, concentric outer

Womb



The womb contains 8 scales of the following types:
Type Range & Units Numbered Geometry Location
Terms 0° Aries - 30° Pisces Zodiacal divisions, equal or unequal At each term  Circular, concentric None
Terms 0° Aries - 30° Pisces Zodiacal divisions, equal or unequal At each term  Circular, concentric None
Triplicities 0° Aries - 30° Pisces Astrological face At each face  Circular, concentric None
Zodiacal signs Aries - Pisces Zodiacal sign Not numbered  Circular, concentric None
Triplicities 0° Aries - 30° Pisces Astrological face At each face  Circular, concentric None
Increment of fortune 0° Aries - 30° Pisces At each increment  Circular, concentric None
Decans 0° Aries - 30° Pisces Planet Not numbered  Circular, concentric None
Faces 0° Aries - 30° Pisces Astrological face Not numbered  Circular, concentric None
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