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: | 4 times |
| Divided every: | 1 (Fingers) |
| then every: | 0.2 (Fingers) |
| Notes: | This shadow square is graduated twice |
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| Lower half: | The lower two quadrants of the back of the instrument (Lower half) |
Inscription(s):
| Type: | Scale label |
| Content: | VMBRA VERSA |
| Translation: | Vertical shadows |
| Language: | Latin |
| Script: | Square capitals |
| Notes: | The square capitals are in an italic face. This label appears on both vertical sides of the shadow square |
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| Type: | Scale label |
| Content: | VMBRA RECTA |
| Translation: | Horizontal shadows |
| Language: | Latin |
| Script: | Square capitals |
| Notes: | The square capitals are in an italic face. This label appears twice along the horizontal edge of the shadow square |
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