Astrolabe Catalogue


Front of astrolabe without rete or plates. Click to enlarge
Date 1542
Maker Georg Hartmann
Place Nuremberg
Material Wood
Inventory no. 49296
Acquisition Presented by Lewis Evans in 1924


The throne is of the bracket type made of brass . Metal bracket tacked onto the mater.


The ring is of the simple, round cross-section type (i.e. simple plain ring made from a round rod or piece of metal) made of brass.


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


The mater and limb are of one-piece construction. Single piece, turned, with paper pasted on. Scales on the limb:
Type Range & Units Numbered Geometry Location
Equal hours 1 - 12 Times of day Every hour hours Circular, concentric None
Degree 0 - 90 Degrees Every 5 degrees None None


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