Astrolabe Catalogue

 

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

Almucantars

Divisions Labelled Style
Divided every 2° from 0° to 90° Labelled every 2° with   (Abdjad) numerals Broken line.

Azimuths

Divisions Labelled Style
Divided every 10°  Labelled every 10° with   (Abdjad) numerals None 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 (None in None script) (Abdjad), Plain line style.
Equal hours from sunset Numbered (None in None script) (Modern), Plain line style.

Inscriptions

Transcription Translation Type
لعرض لح For latitude 33 Latitude
ساعاته يد يب Hours 14h12m Hours of daylight
المشرق East Direction
المغرب West Direction
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