Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 4a
Latitude 52°0'
Three are various construction marks on this plate, including azimuths that extend below the horizon and the line of construction dots between the equator and tropic of capricorn. Hour-line 5 is incompletely marked with just the I portion of the 5..

Almucantars

Divisions Labelled Style
Divided every 3° from 9° to 90° Plain line.
Divided every 1° from 1° to 9° Plain line.

Azimuths

Divisions Labelled Style
Divided every 10°  Plain line.

Circles

Type Labelled Style Notes
Tropic of Cancer None line.
Equator None line.
Tropic of Capricorn None line.

Lines

Type Labelled Description
Meridian line
Horizon obliquus
Unequal hours 1 - 12 (None in Gothic script) (Gothic), Plain line style.
Other

Inscriptions

Transcription Translation Type
L' 52 Latitude
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