Date |
ca. 1400 |
Maker |
Jean Fusoris |
Place |
Paris |
Material |
Brass |
Inventory no. |
39540 |
Acquisition |
Presented by Lewis Evans in
1924 |
Rule, Regula, Pointer and Alidade Images
Alidade Image:
Rule Image:
Pointer
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Single-ended, replacement. |
Gothic, simple |
None |
None |
None |
|
Alidade
Appearance |
Tip |
Sights |
Pinholes |
Notches |
Description |
Double-ended, counter-changed,
original. |
Gothic, inverted |
Rigid |
Single |
None |
|
Scales
Range & Units |
Numbered |
Geometry |
Location |
Unequal
hours |
2 - 11 1/12 of daylight |
Every 1 hours |
Linear |
Rule, left arm |