Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date 1658/9
Maker Ḍiyā’ ad-Dīn Muḥammad
Place Lahore
Material Brass
Inventory no. 53637
Acquisition Presented by Lewis Evans in 1924

Throne

The throne is of the indo-persian, pierced type . The throne is attached with a integrated base. The center section of this throne is decorated with three large flowers..

Ring

The ring is of the simple, squared cross-section type (i.e. a simple ring made from a round rod or piece of metal).

Shackle

Shackle of the trefoil type. Attaches to the throne thorugh large, simple tabs..

Mater

The mater and limb are of one-piece construction. The tab is located at the bottom of the instrument, 180° from the throne.. Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 360 Degrees of arc Every 5 degrees Circular, concentric None

Womb


The womb is engraved with a gazeteer with the cities arranged by climate..
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