Rule, Regula, Pointer and Alidade Images
Alidade Image:
| Date | 1224/5 (A.H. 621) |
| Maker | Muḥammad ibn Fattūḥ al-Khamā’irī |
| Place | Seville |
| Material | Brass |
| Inventory no. | 50934 |
| Acquisition | Presented by Lewis Evans in 1924 |
Alidade
| Appearance | Tip | Sights | Pinholes | Notches | Description |
|---|---|---|---|---|---|
| Double-ended, counter-changed, original. | Decorative | None | None | None | The sights that were originally on this alidade have since broken off and are now missing.. |