Astrolabe Catalogue

 
astrolabe, inventory number 41460 from North Africa, ca. 1800
thumbnail for astrolabe (front), inventory number 41460 from North Africa, ca. 1800
thumbnail for astrolabe (back), inventory number 41460 from North Africa, ca. 1800
thumbnail for astrolabe (rete front), inventory number 41460 from North Africa, ca. 1800
Dateca. 1800
PlaceNorth Africa
MaterialBrass
Inventory no.41460
AcquisitionPresented by J. A. Billmeir in 1957

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Throne, Ring and Shackle

The throne is of the simple type made of brass attached with integrated base made of brass and has a simple, round cross-section 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. 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. More information

Rete, Pin & Horse

The rete contains 24 stars. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت.

The rete contains 1 scale of the following type: Ecliptic.
The rete is attached using a pin & horse. More information

Plates

There are 3 plates with latitudes ranging from 21°0' to 34°0' . More information

Rules & Alidades

Type Details
AlidadeDouble-ended.
More information

 

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