Astrolabe Catalogue

Sine/Cosine

Type: Sine/Cosine
Geometry: Linear
Unit of measurement: 1/60 of quadrant radius
(Numbering) starts at: 0
(Numbering) ends at: 60
Numbered: Every 10
Repeats: 1 times
Divided every: 10 (1/60 of quadrant radius)
then every: 5 (1/60 of quadrant radius)

Scale located on: Tympan, Womb or Back .

Location(s) detail:

Upper half: The upper two quadrants of the back of the instrument (Upper half)
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