Astrolabe Catalogue

 
astrolabe, inventory number 53556 from North Africa, 14th century
thumbnail for astrolabe (front), inventory number 53556 from North Africa, 14th century
thumbnail for astrolabe (back), inventory number 53556 from North Africa, 14th century
thumbnail for astrolabe (rete front), inventory number 53556 from North Africa, 14th century
Date14th century
PlaceNorth Africa
MaterialBrass
Inventory no.53556
AcquisitionPresented by Lewis Evans in 1924

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Throne, Ring and Shackle

The throne is of the pierced type made of brass attached with integrated base made of brass and rotating pin type shackle made of brass . More information

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: degree scale. More information

Back

The back contains 5 scales of the following types: Altitude; Zodiacal signs; Calendar; Unequal hours; Shadow square. More information

Rete, Pin & Wedge

The rete contains 0 stars. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت .
The rete is attached using a pin & wedge. More information

Plates

There are 5 plates with latitudes ranging from to 45°0' . More information

Rules & Alidades

Type Details
AlidadeDouble-ended. The rule is decorated by three lines engraved down its length..
More information

 

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