| Date | ca. 1370 |
| Place | England (?) |
| Material | Brass |
| Inventory no. | 49359 |
| Acquisition | Presented by A. E. Gunther in 1986 |
Rule
| Appearance | Tip | Sights | Pinholes | Notches | Description |
|---|---|---|---|---|---|
| Double-ended, counter-changed, original. | Gothic, simple | None | None | None |
Alidade
| Appearance | Tip | Sights | Pinholes | Notches | Description |
|---|---|---|---|---|---|
| Double-ended, counter-changed, original. | Gothic, simple | Rigid | Single | Single |