Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date ca. 1400
Maker Jean Fusoris
Place Paris
Material Brass
Inventory no. 53801
Acquisition Presented by J. A. Billmeir in 1957

Throne

The throne is of the simple type . The throne is attached with a integrated base made of None . Both sides of the throne are decorated by a single raised line.

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). The ring might have been soldered together, but now has broken apart

Shackle

Shackle of the omega type (i.e. Ω-shaped shackle). .

Mater

The mater and limb are of two pieces, soldered construction. . Scales on the limb:
Type Range & Units Numbered Geometry Location
Equal hours 1 - 12 Times of day Every 10 hours Circular, concentric outer

Womb


The womb shows a number of abrasions. Further, there are four conspicuous dots just above the central hole.
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