Silver Horizontal Sundial Butterfield A Paris C.1690

Silver horizontal sundial signed Butterfield A Paris. Museum quality piece. Upper plate engraved with four time scales Two in Arabic numerals and two in Roman numerals for latitudes 43. 46.48.52 degrees. Exceptional decorations of scrolls of foliage engraved in the center and Beautiful signature of Butterfield A Paris with interlacing. Back of the plate engraved with 20 latitudes of French cities and Turin and back of the compass with seven latitudes of European cities. Resort of the very richly engraved gnomon. Small baluster foot. Similar copy Louvre Museum. Greenwich Museum...