Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 1b
Latitude 22°0'
Ornate embossed lettering.

Almucantars

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

Azimuths

Divisions Labelled Style
Divided every 10°  Labelled every 10° 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), Dotted line style.

Inscriptions

Transcription Translation Type
لعرض كب For latitude 22° Latitude
ساعسته يج كب Hours 13h22m Hours of daylight
المشرق East Direction
المغرب West Direction
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