Shadow square
| Type: | Shadow square |
| Style: | Tangent/Cotangent |
| Geometry: | Box |
| Numbered: | Not numberered |
| Repeats: | 2 times |
| Notes: | This scale is graduated in an unusual and uneven manner |
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| UR: | Upper right quadrant (inside circular scales) (UR) |