Astrolabe Catalogue


Type: Cotangent
Style: Cotangent, arc
Geometry: Circular, concentric
Unit of measurement: Feet
(Numbering) starts at: 0
(Numbering) ends at: 30
Numbered: Every 5
Repeats: 1 times
Divided every: 5 (Feet)
then every: 1 (Feet)

Scale located on: Tympan, Womb or Back .

Location(s) detail:

3: Lower left quadrant of outer circular on back of instrument. (3)


Type: Scale label
Content: ظل اقدام
Translation: Shadow scale of feet
Language: Persian
Script: Nashki
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