Astrolabe Catalogue


Front of astrolabe without rete or plates. Click to enlarge
Date late 14th or early 15th century
Place Paris (?)
Material Brass
Inventory no. 54330
Acquisition Presented by J.A. Billmeir in 1957


The throne is of the three-lobed type . The throne is attached with a integrated base. A gothic 4 (or a monogram apparently including a 4) has been engraved on the front of the throne. Otherwise, the front and back are plain.


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 - 360 Degrees Every 15 degrees Circular, concentric outer


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