Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 3a
Latitude 32°0'
This tympan is ornately embossed..

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.
Ecliptic at Summer Solstice Plain line.

Lines

Type Labelled Description
Meridian line
Horizon rectus
Unequal hours Numbered (Numbers in Numbers, engraved script) (Abdjad), Plain line style.
Equal hours from sunset Numbered (Numbers in Numbers, engraved script) (Modern), Plain line style.
Crepuscule غروب شفق on the left and طاوع صبح on (None in Nashki script)

Inscriptions

Transcription Translation Type
لعرض لب For latitude 32° Latitude
ساعاته يد ز Hours 14h07m Hours of daylight
المشرق East Direction
المغرب West Direction
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