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 1
Repeats: 1 times
Divided every: 1 (Fingers)
then every: 0.2 (Fingers)
Notes: This scale is also numbered every 5 from 0 to 60, divided to 5 and subdivided to 1.

Scale located on: Tympan, Womb or Back .

Location(s) detail:

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

Inscription(s):

Type: Scale label
Content: ظل سلم اصابع مستوى
Translation: Level shadow steps of fingers.
Language: Arabic
Script: Nashki
Notes:
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