Inscriptions
| Transcription | Translation | Type |
|---|---|---|
| الشمالى | Northern [declination] | Scale label |
| الحونی | Southern [declination] | Scale label |
| Tympan | 2a |
Scales
| Type | Range & Units | Numbered | Geometry | Location |
|---|---|---|---|---|
| Table of Horizons | 12 - 50 Degrees of latitude | Every 2 degrees | n/a | n/a |