Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 2b
Latitude 30°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
Equal hours from sunset Numbered (Numbers in Numbers, engraved script) (Abdjad), Plain line style.
Meridian line
Horizon rectus
Unequal hours Ordinal numbers (Arabic in Nashki script)

Inscriptions

Transcription Translation Type
لعرض ل Latitude 30° Latitude
ساعسته يج نح Hours 13h58m Hours of daylight
المشرق East Direction
المغرب West Direction
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