| Date |
late 9th century |
| Maker |
Khafīf, apprentice of ‘Alī ibn
‘Īsā |
| Place |
Syria |
| Material |
Brass |
| Inventory no. |
47632 |
| Acquisition |
Presented by J. A. Billmeir in
1957 |
Rule, Regula, Pointer and Alidade Images
Alidade Image:
Rule Image:
Pointer
| Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
| Single-ended, original. |
Simple |
None |
None |
None |
The front is engraved with a decorative
pattern.. |
Alidade
| Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
| Double-ended, counter-changed,
original. |
Simple |
Rigid |
Single |
None |
The front is engraved with the same decorative
pattern found on the pointer.. |
