Shadow square
| Type: | Shadow square |
| Style: | Tangent/Cotangent |
| Geometry: | Box |
| Unit of measurement: | Feet |
| (Numbering) starts at: | 1 |
| (Numbering) ends at: | 4 |
| Numbered: | every 1 |
| Repeats: | 2 times |
| Divided every: | 1 (Feet) |
| Notes: | The entire scale is unusually numbered |
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: | مبسوط |
| Translation: | Level |
| Language: | Arabic |
| Script: | Kufic |
| Notes: | |
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