Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 9b
Latitude 39°0'
.

Almucantars

Divisions Labelled Style
Divided every 6° from 0° to 90° Plain line.

Azimuths

Divisions Labelled Style
Divided every 10°  Plain line.

Circles

Type Labelled Style Notes
Equator Plain line. Drawn in black ink
Tropic of Cancer Plain line. Drawn in black ink
Tropic of Capricorn Plain line. Drawn in black ink

Lines

Type Labelled Description
Meridian line
Horizon rectus
Crepuscule
Unequal hours Numbered (Numbers in Numbers, written script) (Abdjad), Plain line style.

Inscriptions

Transcription Translation Type
عرض لط Latitude 39° Latitude
شفق Morning Crepuscle
فجر Evening Crepuscle
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