Shadow square
| Type: | Shadow square | 
| Style: | Tangent/Cotangent | 
| Geometry: | Box | 
| (Numbering) starts at: | 1 | 
| (Numbering) ends at: | 60 | 
| Numbered: | Every 10 | 
| Repeats: | 2 times | 
| Divided every: | 10 (None) | 
| then every: | 5 (None) | 
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: | VMBRA VERSA | 
| Translation: | Vertical shadows | 
| Language: | Latin | 
| Script: | Square capitals | 
| Notes: | |
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