Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 3b
Latitude 42°0'
.

Almucantars

Divisions Labelled Style
Divided every 3° from 0° to 90° Labelled every 6° with   (Abdjad) numerals Plain line.

Azimuths

Divisions Labelled Style
Divided every 6°  Labelled every 12° 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.
Prayer lines Prayer names (Arabic in Nashki script)

Inscriptions

Transcription Translation Type
لعرض مب For latitude 42° Latitude
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