Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 2b
Latitude 33°0'
.

Almucantars

Divisions Labelled Style
Divided every 6° from 0° to 90° Labelled every 6° with   (Abdjad) 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
Horizon rectus
Unequal hours Numbered (Numbers in Numbers, engraved script) (Abdjad), Plain line style.
Crepuscule Labeled at east and west end of line (Arabic in Kufic script)

Inscriptions

Transcription Translation Type
عرض لج Latitude 33° Latitude
ساعاته لد بج Hours 14h 13m Hours of daylight
المشرق East Direction
المغرب West Direction
مغيب الشفق Setting of the twilight Crepuscle
طلوع الفجر Rising of the dawn Crepuscle
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