Rule, Regula, Pointer and Alidade Images
Alidade Image:
| Date | ca. 1400 |
| Maker | Jean Fusoris |
| Place | Paris |
| Material | Brass |
| Inventory no. | 49636 |
| Acquisition | Presented by Lewis Evans in 1924 |
Alidade
| Appearance | Tip | Sights | Pinholes | Notches | Description |
|---|---|---|---|---|---|
| Double-ended, counter-changed, original. | Gothic, inverted | Rigid | Single | None |