Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 2a
Four dots are engraved into the tab and along the lower edge of the central hole.

Circles

Type Labelled Style Notes
Equator Plain line.
Tropic of Cancer Plain line.
Tropic of Capricorn Plain line.

Lines

Type Labelled Description
Meridian line
Horizon rectus
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