Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 2b
Latitude 30°0'
.

Almucantars

Divisions Labelled Style
Divided every 1° from 0° to 90° Labelled every 1° with   (Abdjad) numerals Plain line.

Azimuths

Divisions Labelled Style
Divided every 5°  Labelled every 5° with   (Abdjad) 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), Plain line style.

Inscriptions

Transcription Translation Type
لعرض ل For latitude 30° Latitude
ساعاته يج نو Hours 13h 56m Hours of daylight
المشرق East Direction
المغرب West Direction
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