Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 2b
Latitude 37°0'
.

Almucantars

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

Azimuths

Divisions Labelled Style
Divided every 30°  Labelled every 30° 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
Unequal hours Numbered (None in None script) (Abdjad), Plain line style.
Equal hours from sunset
Equal hours from sunrise

Inscriptions

Transcription Translation Type
عرض لز Latitude 37 Latitude
ساعسته بج بد ل Hours 14h30m Hours of daylight
مشرق East Direction
مغرب West Direction
MHS Home | Contact Us | ©2006 Museum of the History of Science