| Date |
ca. 1570 |
| Place |
France (?) |
| Material |
Brass |
| Inventory no. |
49726 |
| Acquisition |
Presented by J. A. Billmeir in
1957 |
Rule, Regula, Pointer and Alidade Images
Alidade Image:
Alidade Image:
Rule Image:
Alidade
| Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
| Double-ended, counter-changed,
original. |
Gothic, simple |
Rigid |
Double |
None |
|
Scales
| Range & Units |
Numbered |
Geometry |
Location |
| Equal
hours |
2 - 12 Times of day |
Every 1 hours |
Linear |
Rule, right arm |
| Equal
hours |
1 - 10 Times of day |
Every 1 hours |
Linear |
Rule, right arm |
Regula
| Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
| Double-ended, original. |
Gothic, inverted |
None |
None |
None |
This regula is to be used with the universal
projection on one of the plates. It is missing the
vertical portion of the regula. |
Scales
| Range & Units |
Numbered |
Geometry |
Location |
| Degree |
0 - 360 Degrees of ecliptic |
Every 10 degrees |
Linear |
Rule |
