Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date 1560
Maker Gillis Coignet
Place Antwerp
Material Brass
Inventory no. 53211
Acquisition Presented by Lewis Evans in 1924

Throne

The throne is of the simple type . The throne is attached with a riveted base. A simple band of brass that is set off-center with respect to the shackle.

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 eye-bolt type (i.e. any shackle that attactes to the ring via an eye-bolt type feature). .

Mater

The mater and limb are of three pieces construction. An extremely broad limb. Scales on the limb:
Type Range & Units Numbered Geometry Location
Calendar First day of month - Last day of month Days of year Every 10 days and end of the month days Circular, concentric outer
Zodiacal signs 0 - 30 Zodiacal divisions, equal or unequal Every 10  Circular, concentric outer2
Equal hours 1 - 12 Times of day Every 10 hours Circular, concentric outer3

Womb


The womb is blank.
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