Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version Image of the tympan or plate - click for larger version
Tympan 1b
Latitude 50°0'
The plate is not labelled. There is an crude and faint '52' scratched into the plate just below the equator. The latitude has been determined by inspection..

Almucantars

Divisions Labelled Style
Divided every 2° from 0° to 90° Labelled every 10° with   (Modern) numerals Plain line.

Azimuths

Divisions Labelled Style
Divided every 10°  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
Crepuscule
Unequal hours
Horoscopic (great) houses
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