Rule, Regula, Pointer and Alidade Images
Alidade Image:
Alidade Image:
Rule Image:
| Date | late 14th century |
| Place | Europe |
| Material | Brass |
| Inventory no. | 36338 |
| Acquisition | Presented by J. A. Billmeir in 1957 |
Pointer
| Appearance | Tip | Sights | Pinholes | Notches | Description |
|---|---|---|---|---|---|
| Single-ended, counter-changed, original. | Simple | None | None | None |
Alidade
| Appearance | Tip | Sights | Pinholes | Notches | Description |
|---|---|---|---|---|---|
| Double-ended, counter-changed, original. | Gothic, simple | Rigid | Single | Single |