Date |
late 16th century |
Place |
Flanders |
Material |
Brass |
Inventory no. |
45365 |
Acquisition |
Purchased from H. E. Backer in
1952 |
Rule, Regula, Pointer and Alidade Images
Alidade Image:
Alidade Image:
Rule Image:
Rule Image:
Rule
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Double-ended, counter-changed,
original. |
Decorative |
None |
None |
None |
|
Scales
Range & Units |
Numbered |
Geometry |
Location |
Declination |
0 - 70 Degrees |
Every 10 degrees |
Linear |
Rule, left arm |
Declination |
0 - 25 Degrees |
Every 10 degrees |
Linear |
Rule, right arm |
Alidade
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Double-ended, counter-changed,
original. |
Decorative |
Rigid |
Double |
None |
The bolt that secures the rete
and the plates is integrated into the alidade. |
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, left arm |