Astrolabe Catalogue

Shadow square

Type: Shadow square
Style: Tangent/Cotangent
Geometry: Box
Unit of measurement: Fingers
(Numbering) starts at: 1
(Numbering) ends at: 12
Numbered: every 3
Repeats: 2 times
Divided every: 3 (Fingers)
then every: 1 (Fingers)

Scale located on: Tympan, Womb or Back .

Location(s) detail:

b: Left hand bottom face of the shadow square (in LL) (b)
c: Right hand bottom face of the shadow square (in LR) (c)

Inscription(s):

Type: Scale label
Content: اصابع الظل المبسوط
Translation: Fingers of the extended scale.
Language: Arabic
Script: Arabic
Notes:
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