Astrolabe Catalogue

 
astrolabe, inventory number 40407 from North Africa, late 18th century
thumbnail for astrolabe (front), inventory number 40407 from North Africa, late 18th century
thumbnail for astrolabe (back), inventory number 40407 from North Africa, late 18th century
Datelate 18th century
PlaceNorth Africa
MaterialBrass
Inventory no.40407
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, riveted construction. The notch that accepts the tab 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. More information

Plates

There are 2 plates with latitudes ranging from 21°0' to 36°0' . More information

 

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