Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 7a
Latitude 21°0'
.

Almucantars

Divisions Labelled Style
Divided every 6° from 0° to 90° 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 كا Latitude 21° Latitude
فجر Dawn Latitude
شفق Twilight Latitude
مكه ك مكڌمه Mecca City name
شرف؟ه City name
تفالى City name
الىيوم City name
القيم؟ City name
نفرى City name
يمامه Yamama City name
طائف Taif City name
قنا City name
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