Astrolabe Catalogue


Type: Cotangent
Style: Cotangent, arc
Geometry: Circular, concentric
Unit of measurement: Fingers
(Numbering) starts at: 0
(Numbering) ends at: 40
Numbered: every 5
Repeats: 1 times
Divided every: 5 (Fingers)
then every: 2 (Fingers)

Scale located on: Tympan, Womb or Back .

Location(s) detail:

4: Lower right quadrant of outer circular on back of instrument. (4)
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