Quadratum nauticum
| Type: | Quadratum nauticum | 
| Geometry: | Box | 
| Unit of measurement: | Degrees | 
| (Numbering) starts at: | 0 | 
| (Numbering) ends at: | 90 | 
| Numbered: | Every 10 | 
| Repeats: | 8 times | 
| Divided every: | 10 (Degrees) | 
| then every: | 5 (Degrees) | 
| Notes: | The four cardinal directions are engraved outside the square | 
Scale located on: Tympan, Womb or Back .
Inscription(s):
| Type: | Direction | 
| Content: | MERIDIES | 
| Translation: | South | 
| Language: | Latin | 
| Script: | Square capitals | 
| Notes: | |
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| Type: | Direction | 
| Content: | OCCIDENS | 
| Translation: | West | 
| Language: | Latin | 
| Script: | Square capitals | 
| Notes: | |
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| Type: | Direction | 
| Content: | SEPTENTRIO | 
| Translation: | North | 
| Language: | Latin | 
| Script: | Square capitals | 
| Notes: | |
| ---------- | |
| Type: | Direction | 
| Content: | ORIENS | 
| Translation: | East | 
| Language: | Latin | 
| Script: | Square capitals | 
| Notes: | |
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| Type: | Scale label | 
| Content: | Longitudo minor seŭ Occidentalior | 
| Translation: | Decreasing or western longitude | 
| Language: | Latin | 
| Script: | Italic | 
| Notes: | This label is along the top edge of the Quadratum | 
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| Type: | Scale label | 
| Content: | Latitudo maior aŭt Borealior | 
| Translation: | Increasing or more northern latitude | 
| Language: | Latin | 
| Script: | Italic | 
| Notes: | This label is along the right edge of the Quadratum | 
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| Type: | Scale label | 
| Content: | Longitudo maior seŭ Orientalior | 
| Translation: | Increasing or eastern latitude | 
| Language: | Latin | 
| Script: | Italic | 
| Notes: | This label is along the bottom edge of the Quadratum | 
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| Type: | Scale label | 
| Content: | Latitudo minor vel Aŭstralior | 
| Translation: | Decreasing or southern latitude | 
| Language: | Latin | 
| Script: | Italic | 
| Notes: | This label is along the left edge of the Quadratum | 
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