Date | ca. 1660 |
Maker | Muḥammad Mahdī |
Place | Persia |
Material | Brass |
Inventory no. | 45581 |
Acquisition | Presented by J. A. Billmeir in 1957 |
Alidade
Appearance | Tip | Sights | Pinholes | Notches | Description |
---|---|---|---|---|---|
Double-ended, replacement. | Simple | Rigid | Single | None | The lack of decorative elements on the rule as well as the absence of scales suggest that this is a later replacement. |