Astrolabe Catalogue

Throne, Ring and Shackle

The throne is of the simple type made of brass attached with integrated base made of brass and has a other ring made of brass and eye-bolt type shackle made of brass . More information

Mater

The mater and limb are of two pieces, soldered and riveted construction. This limb has been repaired, perhaps from a break or some other deficiency in the limb. The notch for holding the tympans in place is located at the throne. Scales on the limb: degree scale. More information

Back

The back contains 6 scales of the following types: Altitude; Zodiacal signs; Calendar; Unequal hours; Shadow square. The back is inscribed: with a miscellaneous marked as الحمد لله هذا الأسطرلاب حبس على المسجد الأعظم من ثغر طنجة علاه الله بمنه آمين (Praise be to God. This astrolabe was given as a bequest to the Grand Mosque of the port of Tangiers, may God elevate it with His grace. Amen.). More information

Plates

There are 4 plates with latitudes ranging from 21°0' to 36°0' . More information

Rules & Alidades

Type	Details
Alidade	Double-ended. The rule is not original. This rule is devoid of any scales or other decoration..

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