Astrolabe Catalogue

 
astrolabe, inventory number 40330 from Persia, 1707/8 (A.H. 1119)
thumbnail for astrolabe (front), inventory number 40330 from Persia, 1707/8 (A.H. 1119)
thumbnail for astrolabe (back), inventory number 40330 from Persia, 1707/8 (A.H. 1119)
thumbnail for astrolabe (rete front), inventory number 40330 from Persia, 1707/8 (A.H. 1119)
Date1707/8 (A.H. 1119)
Maker’Abd al-’Alī
PlacePersia
MaterialBrass
Inventory no.40330
AcquisitionPresented by Lewis Evans in 1924

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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 simple, round cross-section ring made of brass and omega 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 16 scales of the following types: Altitude; Declination; Azimuth of Qibla; Altitude of noon sun; Sine/Cosine; Cotangent; Terms; Zodiacal signs; Faces; Lunar Mansions; Shadow square; Triplicities. The back is inscribed: with a maker's signature marked as العلي عبد صنعه (‘Abd al-‘Ali made this). More information

Rete, Pin & Horse

The rete contains 1 stars. The zodiac on the rete is labelled: حمل , ثور , جوزا , سرطان , اسد , سنبله , ميزان , عقرب , قوس , جدي , دلو , حوت .The rete is inscribed with a date marked as: ١١١٩ (1119 A.H.).
The rete is attached using a pin & horse. More information

Plates

There are 5 plates with latitudes ranging from 22°0' to 41°0' . More information

Rules & Alidades

Type Details
AlidadeDouble-ended. The left sighting vane is bent slightly toward the center..
More information

 

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