Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 5a
Latitude 36°0'
.

Almucantars

Divisions Labelled Style
Divided every 5° from 0° to 90° Labelled every 5° with   (Abdjad, maghrib) numerals Plain line.

Azimuths

Divisions Labelled Style
Divided every 9°  Labelled every 9° with   (Abdjad, maghrib) 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, maghrib), Plain line style.
Prayer lines Prayer names (Arabic in Kufic script)

Inscriptions

Transcription Translation Type
لامريه و حران و سمرقند و راس العين و شهرزور العرض لو ل ساعاته يد لج Almeria and Harran and Samarqand and ras al-’Ain and Shahrizor; latitude 36°30'; hours 14h33m Latitude
المشرق East Direction
المغرب West Direction
خط الفجر Line of the evening Prayer name
اخر وقت العصر End time of the afternoon prayer Prayer name
اول العسر Beginning time of the afternoon prayer Prayer name
صلاة الظهر Early afternoon prayer Prayer name
خط الزوال Line of the midday Prayer name
خط الشفق Line of the morning Prayer name
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