Astrolabe Catalogue

Shadow square

Type: Shadow square
Style: Tangent/Cotangent
Geometry: Box
Unit of measurement: Fingers
(Numbering) starts at: 0
(Numbering) ends at: 12
Numbered: every 3
Repeats: 1 times
Divided every: 3 (Fingers)
then every: 1 (Fingers)

Scale located on: Tympan, Womb or Back .

Location(s) detail:

a: Left hand vertical 'face' of the shadow square (in LL) (a)

Inscription(s):

Type: Scale label
Content: ظل اصابع معكوس
Translation: Inverted shadow [scale] of fingers.
Language: Arabic
Script: Nashki
Notes:
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