Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 5a
Latitude 41°0'
.

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 Ordinal numbers (Arabic in Nashki script) (Ordinal), Plain line style.

Inscriptions

Transcription Translation Type
لعرض ما For latitude 41° Latitude
ساعاته يد نح Hours 14h58m Hours of daylight
المشرق East Direction
المغرب West Direction
MHS Home | Contact Us | ©2006 Museum of the History of Science