Butterfield-type portable sundial in engraved brass with octagonal table. Mobile gnomon with bird whose beak indicates the angle of latitude. Back engraved with the names and latitudes of twenty-three French and European cities. Signed Delure AParis. Paris, Jean-Baptiste-Nicolas Delure (Paris, active 1695, died 1736), early 18th century Height: 6.8 cm -Width: 6 cm (wear)

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