Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 1a
Latitude 45°0'
Across the lower half of the plate is a row of guide dots used in engraving the lines.

Almucantars

Divisions Labelled Style
Divided every 3° from 0° to 84° Labelled every 3° with   (Gothic) numerals Plain line.

Azimuths

Divisions Labelled Style
Divided every 3°  Plain line.

Circles

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

Lines

Type Labelled Description
Unequal hours
Meridian line
Horizon rectus
Horizon obliquus ORIENS (Latin in Square capitals script)

Inscriptions

Transcription Translation Type
45 45° Latitude
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