Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 11b
Latitude 90°0'
.

Almucantars

Divisions Labelled Style
Divided every 6° from 0° to 90° Plain line.

Azimuths

Divisions Labelled Style
Divided every 10°  Plain line.

Circles

Type Labelled Style Notes
Equator Plain line. Drawn in black ink
Tropic of Cancer Plain line. Drawn in black ink
Tropic of Capricorn Plain line. Drawn in black ink

Lines

Type Labelled Description
Horizon rectus
Meridian line

Inscriptions

Transcription Translation Type
عرض تسعين Latitude 90° Latitude
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