Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date 17th century
Place India
Material Brass
Inventory no. 33411
Acquisition Presented by A.E. Gunther in 1986

Throne

The throne is of the indo-persian, broad type . The throne is attached with a integrated base. The throne is unadorned except for a vertical line engraved in the centre of the back.

Ring

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

Shackle

Shackle of the trefoil type. .

Mater

The mater and limb are of one-piece construction. The tab that holds the plates from rotating is located at the bottom of the instrument, i.e., 180° from the throne. Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 90 Degrees Every 6 degrees Circular, concentric outer

Womb


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