Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 1b
Contains a table of horizons.

Circles

Type Labelled Style Notes
Equator Æquinoctialis (Latin in Italic script) Plain line.

Lines

Type Labelled Description
Meridian line
Horizon rectus Horizon rectus (Latin in Italic script)

Inscriptions

Transcription Translation Type
MERIDES South Direction
SEPTEN North Direction
ORIENS East Direction
OCCIDENS West Direction
XII None

Scales


Type Range & Units Numbered Geometry Location
Table of Horizons 0 - 90 Degrees of latitude Every 10 degrees n/a n/a
MHS Home | Contact Us | ©2006 Museum of the History of Science