Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 1a
Latitude 21°0'
.

Almucantars

Divisions Labelled Style
Divided every 5° from 0° to 90° Labelled every 10° with   (Abdjad, maghrib) numerals Plain line.

Azimuths

Divisions Labelled Style
Divided every 10°  Labelled every 10° with   (Abdjad, maghrib) numerals Plain line.

Circles

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

Lines

Type Labelled Description
Meridian line زوال (None in None script)
Horizon rectus
Unequal hours Numbered (None in None script) (Modern), Plain line style.
Prayer lines Prayer names (Arabic in Kufic script)

Inscriptions

Transcription Translation Type
مكه و ؟؟؟ كا م Mecca and ???? 21°40 Latitude
مشرق East Direction
مغرب West Direction
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