Astrolabe Catalogue

 

Date ca. 1500
Place Italy (?)
Material Brass
Inventory no. 35146
Acquisition Presented by Lewis Evans in 1924

Rule, Regula, Pointer and Alidade Images

Alidade Image:

astrolabe part (photo)

Rule Image:

astrolabe part (photo)

Pointer

Appearance Tip Sights Pinholes Notches Description
Single-ended,  original.  Gothic, simple None None None May be later in date like the alidade.

Scales


Type Range & Units Numbered Geometry Location
Declination 0 - 24 Degrees Every 10 degrees Linear Rule
Declination 0 - 70 Degrees Every 10 degrees Linear Rule

Alidade

Appearance Tip Sights Pinholes Notches Description
Double-ended,  counter-changed,  original.  Gothic, simple None None None This crude alidade might be a later replacement. Both sighting vanes have broken off.
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