| Date | ca. 1710 | 
| Maker | Muḥammad Ṭāhir | 
| Place | Iṣfahān | 
| Material | Brass | 
| Inventory no. | 46836 | 
| Acquisition | Presented by Lewis Evans in 1924 | 
Alidade
| Appearance | Tip | Sights | Pinholes | Notches | Description | 
|---|---|---|---|---|---|
| Double-ended, replacement. | Simple | Rigid | Single | None | 
| Date | ca. 1710 | 
| Maker | Muḥammad Ṭāhir | 
| Place | Iṣfahān | 
| Material | Brass | 
| Inventory no. | 46836 | 
| Acquisition | Presented by Lewis Evans in 1924 | 
| Appearance | Tip | Sights | Pinholes | Notches | Description | 
|---|---|---|---|---|---|
| Double-ended, replacement. | Simple | Rigid | Single | None |