Astrolabe Catalogue

 
astrolabe, inventory number 35565 from Persia, 1675/6 (A.H. 1086)
thumbnail for astrolabe (front), inventory number 35565 from Persia, 1675/6 (A.H. 1086)
thumbnail for astrolabe (back), inventory number 35565 from Persia, 1675/6 (A.H. 1086)
thumbnail for astrolabe (rete front), inventory number 35565 from Persia, 1675/6 (A.H. 1086)
Date1675/6 (A.H. 1086)
MakerMuḥammad Amīn
PlacePersia
MaterialBrass
Inventory no.35565
AcquisitionPresented by J. A. Billmeir in 1957

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Throne, Ring and Shackle

The throne is of the indo-persian, engraved type made of brass attached with integrated base made of brass and has a ornate ring made of brass and trefoil type shackle made of brass . More information

Mater

The mater and limb are of one-piece construction. The tab to hold the tympans in place is located at the bottom of the instrument, 180° from the throne.. Scales on the limb: degree scale. More information

Back

The back contains 15 scales of the following types: Altitude; Declination; Azimuth of Qibla; Sine/Cosine; Cotangent; Zodiacal signs; Terms; Lunar Mansions; Faces; Shadow square; Triplicities. More information

Rete, Nut & Bolt

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 nut & bolt. A square nut and small screw replace the original pin and horse.. More information

 

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