Rule, Regula, Pointer and Alidade Images
Alidade Image:
Alidade Image:
| Date | late 14th or early 15th century |
| Place | Paris (?) |
| Material | Brass |
| Inventory no. | 54330 |
| Acquisition | Presented by J.A. Billmeir in 1957 |
Alidade
| Appearance | Tip | Sights | Pinholes | Notches | Description |
|---|---|---|---|---|---|
| Double-ended, counter-changed, original. | Gothic, simple | Rigid | Single | Single |