| Date |
ca. 1670 |
| Maker |
Pierre Sevin |
| Place |
Paris |
| Material |
Brass |
| Inventory no. |
42680 |
| Acquisition |
Presented by J. A. Billmeir in
1957 |
Rule, Regula, Pointer and Alidade Images
Alidade Image:
Regula Image:
Regula
| Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
| Double-ended, counter-changed,
original. |
Simple |
None |
None |
None |
Missing the cursor for use with the de Rojas
projection on the back.. |
Alidade
| Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
| Double-ended, counter-changed,
original. |
Gothic, simple |
Rigid |
Single |
Single |
|
