Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 1b
Latitude 32°0'
.

Almucantars

Divisions Labelled Style
Divided every 6° from 0° to 90° Labelled every 6° with   (Abdjad) numerals Plain line.

Azimuths

Divisions Labelled Style
Divided every 10°  Labelled every 10° 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 لب Latitude 32° Latitude
ساعاته بد ح Hours 14h 08m Hours of daylight
المشرق East Direction
المغرب West Direction
طلوع الفجر ٍRising of the dawn Crepuscle
مغيب الشفق Setting of the twilight Crepuscle
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