Date | ca. 1400 |
Maker | Jean Fusoris |
Place | Paris |
Material | Brass |
Inventory no. | 53801 |
Acquisition | Presented by J. A. Billmeir in 1957 |
Alidade
Appearance | Tip | Sights | Pinholes | Notches | Description |
---|---|---|---|---|---|
Double-ended, counter-changed, original. | Gothic, inverted | Rigid | Single | None |
Scales
Type | Range & Units | Numbered | Geometry | Location |
---|---|---|---|---|
Unequal hours | 2 - 11 1/12 of daylight | Every 1 hours | Linear | Rule, left arm |