Silver and ivory perpetual calendar made in Germany dated 1697
The front has a gilt silver disc with two windows: one for the length of the day and the other for the length of the night.
The window for the length of the day has four graduations: the Zodiac, the months, the length of the day and the time of sunrise.
The window for the length of the night has two graduations: the length of the night and the time of sunset.
This disc rests on a rectangular silver plate with floral decoration and the date "1697" on the disc.
On the back is a disc corresponding to the perpetual calendar with the days of the week. This disc is cut out to show the date of the day of the week (graduated from 1 to 31).
It rests on a silver plate with the same floral decoration as the face.
There are six ivory leaves inside.
Dimensions: length of 8,5 cm x width of 4 cm x thickness of 0,8 cm.
Germany dated 1697.
Reference : D/D ex Tak
Price and additional photos on request.
Also discover many more sundials and equinoxial rings in the dedicated section of our French website : « Cadrans solaires et anneaux équinoxiaux ».