Astrolabe Catalogue


Front of astrolabe without rete or plates. Click to enlarge
Date ca. 1370
Place England (?)
Material Brass
Inventory no. 47869
Acquisition Presented by the Misses M. E. and L. C. Hyett and by The Friends of the Old Ashmolean in 1955


The throne is of the simple type . The throne is attached with a integrated base. The throne is unusual amongst the European astrolabes because it is pierced.


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 joint is soldered


Shackle of the other type (i.e. unusual or unique shackle). The shackle is resembles a comet with a fiery tail.


The mater and limb are of one-piece construction. . Scales on the limb:
Type Range & Units Numbered Geometry Location
Equal hours 1 - 24 Times of day The hours are marked with letters instead of numbe hours Circular, concentric None
Degree 1 - 360 Degrees Not numbered degrees Circular, concentric None


The womb is blank.
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