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Stefano Buonsignori, Orologio solare a scafea
Stefano Buonsignori, Scaphe dial

1584
Wood; diameter 13 cm
Florence, Istituto e Museo di Storia della Scienza, inv. 2485

The "cup" or "scaphe" instrument, fully painted and gilt, is equipped with a lid and a small compass in the center. Each of the four cup-shaped hollows carries the hour lines etched in black on a gold background and is supplied with a gnomon.