Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 5b
Latitude 40°0'
.

Almucantars

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

Azimuths

Divisions Labelled Style
Divided every 10°  Labelled every 10° 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
Horizon rectus
Unequal hours Numbered (Numbers in Numbers, engraved script) (Abdjad, maghrib), Plain line style.
Meridian line خط الزوال (Arabic in Kufic script)

Inscriptions

Transcription Translation Type
سرقسطه طرطوسه رم ملك الكبو العرض ما ل Saragossa, Tortosa, Rome the Great, latitude 41°30' Latitude
المشرق East Direction
المغرب West Direction
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