Astrolabe Catalogue


Front of astrolabe without rete or plates. Click to enlarge
Date early 16th century
Place Europe
Material Brass
Inventory no. 52528
Acquisition Presented by J. A. Billmeir in 1957


The throne is of the simple type . The throne is attached with a integrated base.


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


The mater and limb are of two pieces, soldered construction. . Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 90 Degrees Every 10 degrees Circular, concentric outer
Equal hours 1 - 12 Times of day Every 1 hours Circular, concentric outer2


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