Description
Upper leaf is an equinoctial dial with hour scales on both faces, as well as circle of zodiac signs on inner face. Lower leaf has a horizontal dial with folding gnomon combined with a lunar volvelle, and an inset compass (missing); undeside has empty compartments for gnomon and latitude arcs to support the equinoctial dial. Extensive gold and silver foliate decoration. Two hooks to fasten dial shut (both missing) and one to hold it open.



