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. The right-hand vertical scale, in particular, has been misnumbered from 4 to 2 rather than from 2 to 4 |
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| a: | Left hand vertical 'face' of the shadow square (in LL) (a) |
| d: | Right hand vertical face of the shadow square (in LR) (d) |
Inscription(s):
| Type: | Scale label |
| Content: | مكوس |
| Translation: | Inverted |
| Language: | Arabic |
| Script: | Kufic |
| Notes: | |
| ---------- |