Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date 1641 (A.H. 1051)
Maker Ibrāhīm ibn Sharaf ad-Dīn Ḥusain
Place Persia
Material Brass
Inventory no. 43148
Acquisition Presented by Lewis Evans in 1924

Throne

The throne is of the indo-persian, engraved type . The throne is attached with a integrated base. This unusual shaped throne has trefoil decorations on both sides. The front and the back bear inscriptions.

Shackle

Shackle of the trefoil type. .

Mater

The mater and limb are of one-piece construction. The tab that holds the plates in place is located at the bottom of the instrument, i.e., 180° from the throne. Scales on the limb:
Type Range & Units Numbered Geometry Location
Altitude 0 - 360 Degrees Every 5 degrees Circular, concentric outer

The limb is inscribed:
Content Translation Notes Type
[Along edge of limb] [ pending ] None

Womb


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